21783814

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{173}}^1$

素因数の和:384

約数の個数: 32

約数和(自身を含む): 36832320

約数和(自身を除く): 15048506

約数列:

[1, 2, 13, 26, 29, 58, 167, 173, 334, 346, 377, 754, 2171, 2249, 4342, 4498, 4843, 5017, 9686, 10034, 28891, 57782, 62959, 65221, 125918, 130442, 375583, 751166, 837839, 1675678, 10891907, 21783814]

約数ペア:

[(1, 21783814), (2, 10891907), (13, 1675678), (26, 837839), (29, 751166), (58, 375583), (167, 130442), (173, 125918), (334, 65221), (346, 62959), (377, 57782), (754, 28891), (2171, 10034), (2249, 9686), (4342, 5017), (4498, 4843)]