21372690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1091}}^1$

素因数の和:1754

約数の個数: 32

約数和(自身を含む): 51420096

約数和(自身を除く): 30047406

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 653, 1091, 1306, 1959, 2182, 3265, 3273, 3918, 5455, 6530, 6546, 9795, 10910, 16365, 19590, 32730, 712423, 1424846, 2137269, 3562115, 4274538, 7124230, 10686345, 21372690]

約数ペア:

[(1, 21372690), (2, 10686345), (3, 7124230), (5, 4274538), (6, 3562115), (10, 2137269), (15, 1424846), (30, 712423), (653, 32730), (1091, 19590), (1306, 16365), (1959, 10910), (2182, 9795), (3265, 6546), (3273, 6530), (3918, 5455)]