21550770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{359}}^1$

素因数の和:424

約数の個数: 96

約数和(自身を含む): 60652800

約数和(自身を除く): 39102030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 29, 30, 45, 46, 58, 69, 87, 90, 115, 138, 145, 174, 207, 230, 261, 290, 345, 359, 414, 435, 522, 667, 690, 718, 870, 1035, 1077, 1305, 1334, 1795, 2001, 2070, 2154, 2610, 3231, 3335, 3590, 4002, 5385, 6003, 6462, 6670, 8257, 10005, 10411, 10770, 12006, 16155, 16514, 20010, 20822, 24771, 30015, 31233, 32310, 41285, 49542, 52055, 60030, 62466, 74313, 82570, 93699, 104110, 123855, 148626, 156165, 187398, 239453, 247710, 312330, 371565, 468495, 478906, 718359, 743130, 936990, 1197265, 1436718, 2155077, 2394530, 3591795, 4310154, 7183590, 10775385, 21550770]

約数ペア:

[(1, 21550770), (2, 10775385), (3, 7183590), (5, 4310154), (6, 3591795), (9, 2394530), (10, 2155077), (15, 1436718), (18, 1197265), (23, 936990), (29, 743130), (30, 718359), (45, 478906), (46, 468495), (58, 371565), (69, 312330), (87, 247710), (90, 239453), (115, 187398), (138, 156165), (145, 148626), (174, 123855), (207, 104110), (230, 93699), (261, 82570), (290, 74313), (345, 62466), (359, 60030), (414, 52055), (435, 49542), (522, 41285), (667, 32310), (690, 31233), (718, 30015), (870, 24771), (1035, 20822), (1077, 20010), (1305, 16514), (1334, 16155), (1795, 12006), (2001, 10770), (2070, 10411), (2154, 10005), (2610, 8257), (3231, 6670), (3335, 6462), (3590, 6003), (4002, 5385)]