21414876

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 60480000

約数和(自身を除く): 39065124

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 59, 84, 87, 116, 118, 149, 174, 177, 203, 236, 298, 348, 354, 406, 413, 447, 596, 609, 708, 812, 826, 894, 1043, 1218, 1239, 1652, 1711, 1788, 2086, 2436, 2478, 3129, 3422, 4172, 4321, 4956, 5133, 6258, 6844, 8642, 8791, 10266, 11977, 12516, 12963, 17284, 17582, 20532, 23954, 25926, 26373, 30247, 35164, 35931, 47908, 51852, 52746, 60494, 61537, 71862, 90741, 105492, 120988, 123074, 143724, 181482, 184611, 246148, 254939, 362964, 369222, 509878, 738444, 764817, 1019756, 1529634, 1784573, 3059268, 3569146, 5353719, 7138292, 10707438, 21414876]

約数ペア:

[(1, 21414876), (2, 10707438), (3, 7138292), (4, 5353719), (6, 3569146), (7, 3059268), (12, 1784573), (14, 1529634), (21, 1019756), (28, 764817), (29, 738444), (42, 509878), (58, 369222), (59, 362964), (84, 254939), (87, 246148), (116, 184611), (118, 181482), (149, 143724), (174, 123074), (177, 120988), (203, 105492), (236, 90741), (298, 71862), (348, 61537), (354, 60494), (406, 52746), (413, 51852), (447, 47908), (596, 35931), (609, 35164), (708, 30247), (812, 26373), (826, 25926), (894, 23954), (1043, 20532), (1218, 17582), (1239, 17284), (1652, 12963), (1711, 12516), (1788, 11977), (2086, 10266), (2436, 8791), (2478, 8642), (3129, 6844), (3422, 6258), (4172, 5133), (4321, 4956)]