21041284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{25169}}^1$

素因数の和:25203

約数の個数: 24

約数和(自身を含む): 42285600

約数和(自身を除く): 21244316

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 25169, 50338, 100676, 276859, 478211, 553718, 956422, 1107436, 1912844, 5260321, 10520642, 21041284]

約数ペア:

[(1, 21041284), (2, 10520642), (4, 5260321), (11, 1912844), (19, 1107436), (22, 956422), (38, 553718), (44, 478211), (76, 276859), (209, 100676), (418, 50338), (836, 25169)]