21321352

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{467}}^1$

素因数の和:925

約数の個数: 32

約数和(自身を含む): 43243200

約数和(自身を除く): 21921848

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 439, 467, 878, 934, 1756, 1868, 3512, 3736, 5707, 6071, 11414, 12142, 22828, 24284, 45656, 48568, 205013, 410026, 820052, 1640104, 2665169, 5330338, 10660676, 21321352]

約数ペア:

[(1, 21321352), (2, 10660676), (4, 5330338), (8, 2665169), (13, 1640104), (26, 820052), (52, 410026), (104, 205013), (439, 48568), (467, 45656), (878, 24284), (934, 22828), (1756, 12142), (1868, 11414), (3512, 6071), (3736, 5707)]