21193592

素因数分解:

$2^3\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1439}}^1$

素因数の和:1715

約数の個数: 32

約数和(自身を含む): 45619200

約数和(自身を除く): 24425608

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 263, 526, 1052, 1439, 1841, 2104, 2878, 3682, 5756, 7364, 10073, 11512, 14728, 20146, 40292, 80584, 378457, 756914, 1513828, 2649199, 3027656, 5298398, 10596796, 21193592]

約数ペア:

[(1, 21193592), (2, 10596796), (4, 5298398), (7, 3027656), (8, 2649199), (14, 1513828), (28, 756914), (56, 378457), (263, 80584), (526, 40292), (1052, 20146), (1439, 14728), (1841, 11512), (2104, 10073), (2878, 7364), (3682, 5756)]