21666672

素因数分解:

$2^4\times 3^2\times {\mathrm{379}}^1\times {\mathrm{397}}^1$

素因数の和:790

約数の個数: 60

約数和(自身を含む): 60949720

約数和(自身を除く): 39283048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 379, 397, 758, 794, 1137, 1191, 1516, 1588, 2274, 2382, 3032, 3176, 3411, 3573, 4548, 4764, 6064, 6352, 6822, 7146, 9096, 9528, 13644, 14292, 18192, 19056, 27288, 28584, 54576, 57168, 150463, 300926, 451389, 601852, 902778, 1203704, 1354167, 1805556, 2407408, 2708334, 3611112, 5416668, 7222224, 10833336, 21666672]

約数ペア:

[(1, 21666672), (2, 10833336), (3, 7222224), (4, 5416668), (6, 3611112), (8, 2708334), (9, 2407408), (12, 1805556), (16, 1354167), (18, 1203704), (24, 902778), (36, 601852), (48, 451389), (72, 300926), (144, 150463), (379, 57168), (397, 54576), (758, 28584), (794, 27288), (1137, 19056), (1191, 18192), (1516, 14292), (1588, 13644), (2274, 9528), (2382, 9096), (3032, 7146), (3176, 6822), (3411, 6352), (3573, 6064), (4548, 4764)]