2021025720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{2405983}}^1$

素因数の和:2406004

約数の個数: 64

約数和(自身を含む): 6929233920

約数和(自身を除く): 4908208200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 2405983, 4811966, 7217949, 9623932, 12029915, 14435898, 16841881, 19247864, 24059830, 28871796, 33683762, 36089745, 48119660, 50525643, 57743592, 67367524, 72179490, 84209405, 96239320, 101051286, 134735048, 144358980, 168418810, 202102572, 252628215, 288717960, 336837620, 404205144, 505256430, 673675240, 1010512860, 2021025720]

約数ペア:

[(1, 2021025720), (2, 1010512860), (3, 673675240), (4, 505256430), (5, 404205144), (6, 336837620), (7, 288717960), (8, 252628215), (10, 202102572), (12, 168418810), (14, 144358980), (15, 134735048), (20, 101051286), (21, 96239320), (24, 84209405), (28, 72179490), (30, 67367524), (35, 57743592), (40, 50525643), (42, 48119660), (56, 36089745), (60, 33683762), (70, 28871796), (84, 24059830), (105, 19247864), (120, 16841881), (140, 14435898), (168, 12029915), (210, 9623932), (280, 7217949), (420, 4811966), (840, 2405983)]