21331824

素因数分解:

$2^4\times 3^1\times {\mathrm{521}}^1\times {\mathrm{853}}^1$

素因数の和:1385

約数の個数: 40

約数和(自身を含む): 55277712

約数和(自身を除く): 33945888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 521, 853, 1042, 1563, 1706, 2084, 2559, 3126, 3412, 4168, 5118, 6252, 6824, 8336, 10236, 12504, 13648, 20472, 25008, 40944, 444413, 888826, 1333239, 1777652, 2666478, 3555304, 5332956, 7110608, 10665912, 21331824]

約数ペア:

[(1, 21331824), (2, 10665912), (3, 7110608), (4, 5332956), (6, 3555304), (8, 2666478), (12, 1777652), (16, 1333239), (24, 888826), (48, 444413), (521, 40944), (853, 25008), (1042, 20472), (1563, 13648), (1706, 12504), (2084, 10236), (2559, 8336), (3126, 6824), (3412, 6252), (4168, 5118)]