21015660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1543}}^1$

素因数の和:1782

約数の個数: 48

約数和(自身を含む): 59141376

約数和(自身を除く): 38125716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 227, 454, 681, 908, 1135, 1362, 1543, 2270, 2724, 3086, 3405, 4540, 4629, 6172, 6810, 7715, 9258, 13620, 15430, 18516, 23145, 30860, 46290, 92580, 350261, 700522, 1050783, 1401044, 1751305, 2101566, 3502610, 4203132, 5253915, 7005220, 10507830, 21015660]

約数ペア:

[(1, 21015660), (2, 10507830), (3, 7005220), (4, 5253915), (5, 4203132), (6, 3502610), (10, 2101566), (12, 1751305), (15, 1401044), (20, 1050783), (30, 700522), (60, 350261), (227, 92580), (454, 46290), (681, 30860), (908, 23145), (1135, 18516), (1362, 15430), (1543, 13620), (2270, 9258), (2724, 7715), (3086, 6810), (3405, 6172), (4540, 4629)]