21053904

素因数分解:

$2^4\times 3^1\times {\mathrm{438623}}^1$

素因数の和:438634

約数の個数: 20

約数和(自身を含む): 54389376

約数和(自身を除く): 33335472

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 438623, 877246, 1315869, 1754492, 2631738, 3508984, 5263476, 7017968, 10526952, 21053904]

約数ペア:

[(1, 21053904), (2, 10526952), (3, 7017968), (4, 5263476), (6, 3508984), (8, 2631738), (12, 1754492), (16, 1315869), (24, 877246), (48, 438623)]