21312690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{101489}}^1$

素因数の和:101506

約数の個数: 32

約数和(自身を含む): 58458240

約数和(自身を除く): 37145550

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 101489, 202978, 304467, 507445, 608934, 710423, 1014890, 1420846, 1522335, 2131269, 3044670, 3552115, 4262538, 7104230, 10656345, 21312690]

約数ペア:

[(1, 21312690), (2, 10656345), (3, 7104230), (5, 4262538), (6, 3552115), (7, 3044670), (10, 2131269), (14, 1522335), (15, 1420846), (21, 1014890), (30, 710423), (35, 608934), (42, 507445), (70, 304467), (105, 202978), (210, 101489)]