21060520416

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{4201}}^1$

素因数の和:4346

約数の個数: 216

約数和(自身を含む): 65497448016

約数和(自身を除く): 44436927600

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 103, 104, 117, 144, 156, 169, 206, 208, 234, 288, 309, 312, 338, 412, 416, 468, 507, 618, 624, 676, 824, 927, 936, 1014, 1236, 1248, 1339, 1352, 1521, 1648, 1854, 1872, 2028, 2472, 2678, 2704, 3042, 3296, 3708, 3744, 4017, 4056, 4201, 4944, 5356, 5408, 6084, 7416, 8034, 8112, 8402, 9888, 10712, 12051, 12168, 12603, 14832, 16068, 16224, 16804, 17407, 21424, 24102, 24336, 25206, 29664, 32136, 33608, 34814, 37809, 42848, 48204, 48672, 50412, 52221, 54613, 64272, 67216, 69628, 75618, 96408, 100824, 104442, 109226, 128544, 134432, 139256, 151236, 156663, 163839, 192816, 201648, 208884, 218452, 278512, 302472, 313326, 327678, 385632, 403296, 417768, 432703, 436904, 491517, 557024, 604944, 626652, 655356, 709969, 835536, 865406, 873808, 983034, 1209888, 1253304, 1298109, 1310712, 1419938, 1671072, 1730812, 1747616, 1966068, 2129907, 2506608, 2596218, 2621424, 2839876, 3461624, 3894327, 3932136, 4259814, 5013216, 5192436, 5242848, 5625139, 5679752, 6389721, 6923248, 7788654, 7864272, 8519628, 10384872, 11250278, 11359504, 12779442, 13846496, 15577308, 15728544, 16875417, 17039256, 20769744, 22500556, 22719008, 25558884, 31154616, 33750834, 34078512, 41539488, 45001112, 50626251, 51117768, 62309232, 67501668, 68157024, 73126807, 90002224, 101252502, 102235536, 124618464, 135003336, 146253614, 180004448, 202505004, 204471072, 219380421, 270006672, 292507228, 405010008, 438760842, 540013344, 585014456, 658141263, 810020016, 877521684, 1170028912, 1316282526, 1620040032, 1755043368, 2340057824, 2632565052, 3510086736, 5265130104, 7020173472, 10530260208, 21060520416]

約数ペア:

[(1, 21060520416), (2, 10530260208), (3, 7020173472), (4, 5265130104), (6, 3510086736), (8, 2632565052), (9, 2340057824), (12, 1755043368), (13, 1620040032), (16, 1316282526), (18, 1170028912), (24, 877521684), (26, 810020016), (32, 658141263), (36, 585014456), (39, 540013344), (48, 438760842), (52, 405010008), (72, 292507228), (78, 270006672), (96, 219380421), (103, 204471072), (104, 202505004), (117, 180004448), (144, 146253614), (156, 135003336), (169, 124618464), (206, 102235536), (208, 101252502), (234, 90002224), (288, 73126807), (309, 68157024), (312, 67501668), (338, 62309232), (412, 51117768), (416, 50626251), (468, 45001112), (507, 41539488), (618, 34078512), (624, 33750834), (676, 31154616), (824, 25558884), (927, 22719008), (936, 22500556), (1014, 20769744), (1236, 17039256), (1248, 16875417), (1339, 15728544), (1352, 15577308), (1521, 13846496), (1648, 12779442), (1854, 11359504), (1872, 11250278), (2028, 10384872), (2472, 8519628), (2678, 7864272), (2704, 7788654), (3042, 6923248), (3296, 6389721), (3708, 5679752), (3744, 5625139), (4017, 5242848), (4056, 5192436), (4201, 5013216), (4944, 4259814), (5356, 3932136), (5408, 3894327), (6084, 3461624), (7416, 2839876), (8034, 2621424), (8112, 2596218), (8402, 2506608), (9888, 2129907), (10712, 1966068), (12051, 1747616), (12168, 1730812), (12603, 1671072), (14832, 1419938), (16068, 1310712), (16224, 1298109), (16804, 1253304), (17407, 1209888), (21424, 983034), (24102, 873808), (24336, 865406), (25206, 835536), (29664, 709969), (32136, 655356), (33608, 626652), (34814, 604944), (37809, 557024), (42848, 491517), (48204, 436904), (48672, 432703), (50412, 417768), (52221, 403296), (54613, 385632), (64272, 327678), (67216, 313326), (69628, 302472), (75618, 278512), (96408, 218452), (100824, 208884), (104442, 201648), (109226, 192816), (128544, 163839), (134432, 156663), (139256, 151236)]