21290272

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{28927}}^1$

素因数の和:28960

約数の個数: 24

約数和(自身を含む): 43739136

約数和(自身を除く): 22448864

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 184, 368, 736, 28927, 57854, 115708, 231416, 462832, 665321, 925664, 1330642, 2661284, 5322568, 10645136, 21290272]

約数ペア:

[(1, 21290272), (2, 10645136), (4, 5322568), (8, 2661284), (16, 1330642), (23, 925664), (32, 665321), (46, 462832), (92, 231416), (184, 115708), (368, 57854), (736, 28927)]