21527540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{883}}^1$

素因数の和:968

約数の個数: 48

約数和(自身を含む): 48117888

約数和(自身を除く): 26590348

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 53, 92, 106, 115, 212, 230, 265, 460, 530, 883, 1060, 1219, 1766, 2438, 3532, 4415, 4876, 6095, 8830, 12190, 17660, 20309, 24380, 40618, 46799, 81236, 93598, 101545, 187196, 203090, 233995, 406180, 467990, 935980, 1076377, 2152754, 4305508, 5381885, 10763770, 21527540]

約数ペア:

[(1, 21527540), (2, 10763770), (4, 5381885), (5, 4305508), (10, 2152754), (20, 1076377), (23, 935980), (46, 467990), (53, 406180), (92, 233995), (106, 203090), (115, 187196), (212, 101545), (230, 93598), (265, 81236), (460, 46799), (530, 40618), (883, 24380), (1060, 20309), (1219, 17660), (1766, 12190), (2438, 8830), (3532, 6095), (4415, 4876)]