21287188188

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{3889}}^1$

素因数の和:4049

約数の個数: 216

約数和(自身を含む): 65374873200

約数和(自身を除く): 44087685012

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 49, 58, 63, 84, 87, 98, 107, 116, 126, 147, 174, 196, 203, 214, 252, 261, 294, 321, 348, 406, 428, 441, 522, 588, 609, 642, 749, 812, 882, 963, 1044, 1218, 1284, 1421, 1498, 1764, 1827, 1926, 2247, 2436, 2842, 2996, 3103, 3654, 3852, 3889, 4263, 4494, 5243, 5684, 6206, 6741, 7308, 7778, 8526, 8988, 9309, 10486, 11667, 12412, 12789, 13482, 15556, 15729, 17052, 18618, 20972, 21721, 23334, 25578, 26964, 27223, 27927, 31458, 35001, 37236, 43442, 46668, 47187, 51156, 54446, 55854, 62916, 65163, 70002, 81669, 86884, 94374, 108892, 111708, 112781, 130326, 140004, 152047, 163338, 188748, 190561, 195489, 225562, 245007, 260652, 304094, 326676, 338343, 381122, 390978, 416123, 451124, 456141, 490014, 571683, 608188, 676686, 762244, 781956, 789467, 832246, 912282, 980028, 1015029, 1143366, 1248369, 1353372, 1368423, 1578934, 1664492, 1715049, 1824564, 2030058, 2286732, 2368401, 2496738, 2736846, 2912861, 3157868, 3430098, 3745107, 4060116, 4736802, 4993476, 5473692, 5526269, 5825722, 6860196, 7105203, 7490214, 8738583, 9473604, 11052538, 11651444, 12067567, 14210406, 14980428, 16578807, 17477166, 20390027, 22105076, 24135134, 26215749, 28420812, 33157614, 34954332, 36202701, 40780054, 48270268, 49736421, 52431498, 61170081, 66315228, 72405402, 81560108, 84472969, 99472842, 104862996, 108608103, 122340162, 144810804, 168945938, 183510243, 198945684, 217216206, 244680324, 253418907, 337891876, 367020486, 434432412, 506837814, 591310783, 734040972, 760256721, 1013675628, 1182621566, 1520513442, 1773932349, 2365243132, 3041026884, 3547864698, 5321797047, 7095729396, 10643594094, 21287188188]

約数ペア:

[(1, 21287188188), (2, 10643594094), (3, 7095729396), (4, 5321797047), (6, 3547864698), (7, 3041026884), (9, 2365243132), (12, 1773932349), (14, 1520513442), (18, 1182621566), (21, 1013675628), (28, 760256721), (29, 734040972), (36, 591310783), (42, 506837814), (49, 434432412), (58, 367020486), (63, 337891876), (84, 253418907), (87, 244680324), (98, 217216206), (107, 198945684), (116, 183510243), (126, 168945938), (147, 144810804), (174, 122340162), (196, 108608103), (203, 104862996), (214, 99472842), (252, 84472969), (261, 81560108), (294, 72405402), (321, 66315228), (348, 61170081), (406, 52431498), (428, 49736421), (441, 48270268), (522, 40780054), (588, 36202701), (609, 34954332), (642, 33157614), (749, 28420812), (812, 26215749), (882, 24135134), (963, 22105076), (1044, 20390027), (1218, 17477166), (1284, 16578807), (1421, 14980428), (1498, 14210406), (1764, 12067567), (1827, 11651444), (1926, 11052538), (2247, 9473604), (2436, 8738583), (2842, 7490214), (2996, 7105203), (3103, 6860196), (3654, 5825722), (3852, 5526269), (3889, 5473692), (4263, 4993476), (4494, 4736802), (5243, 4060116), (5684, 3745107), (6206, 3430098), (6741, 3157868), (7308, 2912861), (7778, 2736846), (8526, 2496738), (8988, 2368401), (9309, 2286732), (10486, 2030058), (11667, 1824564), (12412, 1715049), (12789, 1664492), (13482, 1578934), (15556, 1368423), (15729, 1353372), (17052, 1248369), (18618, 1143366), (20972, 1015029), (21721, 980028), (23334, 912282), (25578, 832246), (26964, 789467), (27223, 781956), (27927, 762244), (31458, 676686), (35001, 608188), (37236, 571683), (43442, 490014), (46668, 456141), (47187, 451124), (51156, 416123), (54446, 390978), (55854, 381122), (62916, 338343), (65163, 326676), (70002, 304094), (81669, 260652), (86884, 245007), (94374, 225562), (108892, 195489), (111708, 190561), (112781, 188748), (130326, 163338), (140004, 152047)]