21123090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:224

約数の個数: 96

約数和(自身を含む): 58046976

約数和(自身を除く): 36923886

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 67, 90, 93, 113, 134, 155, 186, 201, 226, 279, 310, 335, 339, 402, 465, 558, 565, 603, 670, 678, 930, 1005, 1017, 1130, 1206, 1395, 1695, 2010, 2034, 2077, 2790, 3015, 3390, 3503, 4154, 5085, 6030, 6231, 7006, 7571, 10170, 10385, 10509, 12462, 15142, 17515, 18693, 20770, 21018, 22713, 31155, 31527, 35030, 37386, 37855, 45426, 52545, 62310, 63054, 68139, 75710, 93465, 105090, 113565, 136278, 157635, 186930, 227130, 234701, 315270, 340695, 469402, 681390, 704103, 1173505, 1408206, 2112309, 2347010, 3520515, 4224618, 7041030, 10561545, 21123090]

約数ペア:

[(1, 21123090), (2, 10561545), (3, 7041030), (5, 4224618), (6, 3520515), (9, 2347010), (10, 2112309), (15, 1408206), (18, 1173505), (30, 704103), (31, 681390), (45, 469402), (62, 340695), (67, 315270), (90, 234701), (93, 227130), (113, 186930), (134, 157635), (155, 136278), (186, 113565), (201, 105090), (226, 93465), (279, 75710), (310, 68139), (335, 63054), (339, 62310), (402, 52545), (465, 45426), (558, 37855), (565, 37386), (603, 35030), (670, 31527), (678, 31155), (930, 22713), (1005, 21018), (1017, 20770), (1130, 18693), (1206, 17515), (1395, 15142), (1695, 12462), (2010, 10509), (2034, 10385), (2077, 10170), (2790, 7571), (3015, 7006), (3390, 6231), (3503, 6030), (4154, 5085)]