21563100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:149

約数の個数: 216

約数和(自身を含む): 77408240

約数和(自身を除く): 55845140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 25, 26, 30, 36, 38, 39, 45, 50, 52, 57, 60, 65, 75, 76, 78, 90, 95, 97, 100, 114, 117, 130, 150, 156, 171, 180, 190, 194, 195, 225, 228, 234, 247, 260, 285, 291, 300, 325, 342, 380, 388, 390, 450, 468, 475, 485, 494, 570, 582, 585, 650, 684, 741, 780, 855, 873, 900, 950, 970, 975, 988, 1140, 1164, 1170, 1235, 1261, 1300, 1425, 1455, 1482, 1710, 1746, 1843, 1900, 1940, 1950, 2223, 2340, 2425, 2470, 2522, 2850, 2910, 2925, 2964, 3420, 3492, 3686, 3705, 3783, 3900, 4275, 4365, 4446, 4850, 4940, 5044, 5529, 5700, 5820, 5850, 6175, 6305, 7275, 7372, 7410, 7566, 8550, 8730, 8892, 9215, 9700, 11058, 11115, 11349, 11700, 12350, 12610, 14550, 14820, 15132, 16587, 17100, 17460, 18430, 18525, 18915, 21825, 22116, 22230, 22698, 23959, 24700, 25220, 27645, 29100, 31525, 33174, 36860, 37050, 37830, 43650, 44460, 45396, 46075, 47918, 55290, 55575, 56745, 63050, 66348, 71877, 74100, 75660, 82935, 87300, 92150, 94575, 95836, 110580, 111150, 113490, 119795, 126100, 138225, 143754, 165870, 184300, 189150, 215631, 222300, 226980, 239590, 276450, 283725, 287508, 331740, 359385, 378300, 414675, 431262, 479180, 552900, 567450, 598975, 718770, 829350, 862524, 1078155, 1134900, 1197950, 1437540, 1658700, 1796925, 2156310, 2395900, 3593850, 4312620, 5390775, 7187700, 10781550, 21563100]

約数ペア:

[(1, 21563100), (2, 10781550), (3, 7187700), (4, 5390775), (5, 4312620), (6, 3593850), (9, 2395900), (10, 2156310), (12, 1796925), (13, 1658700), (15, 1437540), (18, 1197950), (19, 1134900), (20, 1078155), (25, 862524), (26, 829350), (30, 718770), (36, 598975), (38, 567450), (39, 552900), (45, 479180), (50, 431262), (52, 414675), (57, 378300), (60, 359385), (65, 331740), (75, 287508), (76, 283725), (78, 276450), (90, 239590), (95, 226980), (97, 222300), (100, 215631), (114, 189150), (117, 184300), (130, 165870), (150, 143754), (156, 138225), (171, 126100), (180, 119795), (190, 113490), (194, 111150), (195, 110580), (225, 95836), (228, 94575), (234, 92150), (247, 87300), (260, 82935), (285, 75660), (291, 74100), (300, 71877), (325, 66348), (342, 63050), (380, 56745), (388, 55575), (390, 55290), (450, 47918), (468, 46075), (475, 45396), (485, 44460), (494, 43650), (570, 37830), (582, 37050), (585, 36860), (650, 33174), (684, 31525), (741, 29100), (780, 27645), (855, 25220), (873, 24700), (900, 23959), (950, 22698), (970, 22230), (975, 22116), (988, 21825), (1140, 18915), (1164, 18525), (1170, 18430), (1235, 17460), (1261, 17100), (1300, 16587), (1425, 15132), (1455, 14820), (1482, 14550), (1710, 12610), (1746, 12350), (1843, 11700), (1900, 11349), (1940, 11115), (1950, 11058), (2223, 9700), (2340, 9215), (2425, 8892), (2470, 8730), (2522, 8550), (2850, 7566), (2910, 7410), (2925, 7372), (2964, 7275), (3420, 6305), (3492, 6175), (3686, 5850), (3705, 5820), (3783, 5700), (3900, 5529), (4275, 5044), (4365, 4940), (4446, 4850)]