21384888

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{127291}}^1$

素因数の和:127307

約数の個数: 32

約数和(自身を含む): 61100160

約数和(自身を除く): 39715272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 127291, 254582, 381873, 509164, 763746, 891037, 1018328, 1527492, 1782074, 2673111, 3054984, 3564148, 5346222, 7128296, 10692444, 21384888]

約数ペア:

[(1, 21384888), (2, 10692444), (3, 7128296), (4, 5346222), (6, 3564148), (7, 3054984), (8, 2673111), (12, 1782074), (14, 1527492), (21, 1018328), (24, 891037), (28, 763746), (42, 509164), (56, 381873), (84, 254582), (168, 127291)]