21998730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4339}}^1$

素因数の和:4375

約数の個数: 48

約数和(自身を含む): 57183840

約数和(自身を除く): 35185110

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 169, 195, 338, 390, 507, 845, 1014, 1690, 2535, 4339, 5070, 8678, 13017, 21695, 26034, 43390, 56407, 65085, 112814, 130170, 169221, 282035, 338442, 564070, 733291, 846105, 1466582, 1692210, 2199873, 3666455, 4399746, 7332910, 10999365, 21998730]

約数ペア:

[(1, 21998730), (2, 10999365), (3, 7332910), (5, 4399746), (6, 3666455), (10, 2199873), (13, 1692210), (15, 1466582), (26, 846105), (30, 733291), (39, 564070), (65, 338442), (78, 282035), (130, 169221), (169, 130170), (195, 112814), (338, 65085), (390, 56407), (507, 43390), (845, 26034), (1014, 21695), (1690, 13017), (2535, 8678), (4339, 5070)]