21008490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{36857}}^1$

素因数の和:36886

約数の個数: 32

約数和(自身を含む): 53075520

約数和(自身を除く): 32067030

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570, 36857, 73714, 110571, 184285, 221142, 368570, 552855, 700283, 1105710, 1400566, 2100849, 3501415, 4201698, 7002830, 10504245, 21008490]

約数ペア:

[(1, 21008490), (2, 10504245), (3, 7002830), (5, 4201698), (6, 3501415), (10, 2100849), (15, 1400566), (19, 1105710), (30, 700283), (38, 552855), (57, 368570), (95, 221142), (114, 184285), (190, 110571), (285, 73714), (570, 36857)]