21000565472

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{4253}}^1\times {\mathrm{6709}}^1$

素因数の和:10995

約数の個数: 48

約数和(自身を含む): 43159042080

約数和(自身を除く): 22158476608

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 184, 368, 736, 4253, 6709, 8506, 13418, 17012, 26836, 34024, 53672, 68048, 97819, 107344, 136096, 154307, 195638, 214688, 308614, 391276, 617228, 782552, 1234456, 1565104, 2468912, 3130208, 4937824, 28533377, 57066754, 114133508, 228267016, 456534032, 656267671, 913068064, 1312535342, 2625070684, 5250141368, 10500282736, 21000565472]

約数ペア:

[(1, 21000565472), (2, 10500282736), (4, 5250141368), (8, 2625070684), (16, 1312535342), (23, 913068064), (32, 656267671), (46, 456534032), (92, 228267016), (184, 114133508), (368, 57066754), (736, 28533377), (4253, 4937824), (6709, 3130208), (8506, 2468912), (13418, 1565104), (17012, 1234456), (26836, 782552), (34024, 617228), (53672, 391276), (68048, 308614), (97819, 214688), (107344, 195638), (136096, 154307)]