21977460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{40699}}^1$

素因数の和:40717

約数の個数: 48

約数和(自身を含む): 68376000

約数和(自身を除く): 46398540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 40699, 81398, 122097, 162796, 203495, 244194, 366291, 406990, 488388, 610485, 732582, 813980, 1098873, 1220970, 1465164, 1831455, 2197746, 2441940, 3662910, 4395492, 5494365, 7325820, 10988730, 21977460]

約数ペア:

[(1, 21977460), (2, 10988730), (3, 7325820), (4, 5494365), (5, 4395492), (6, 3662910), (9, 2441940), (10, 2197746), (12, 1831455), (15, 1465164), (18, 1220970), (20, 1098873), (27, 813980), (30, 732582), (36, 610485), (45, 488388), (54, 406990), (60, 366291), (90, 244194), (108, 203495), (135, 162796), (180, 122097), (270, 81398), (540, 40699)]