21062398

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{557}}^1$

素因数の和:676

約数の個数: 32

約数和(自身を含む): 37658304

約数和(自身を除く): 16595906

約数列:

[1, 2, 7, 14, 37, 73, 74, 146, 259, 511, 518, 557, 1022, 1114, 2701, 3899, 5402, 7798, 18907, 20609, 37814, 40661, 41218, 81322, 144263, 284627, 288526, 569254, 1504457, 3008914, 10531199, 21062398]

約数ペア:

[(1, 21062398), (2, 10531199), (7, 3008914), (14, 1504457), (37, 569254), (73, 288526), (74, 284627), (146, 144263), (259, 81322), (511, 41218), (518, 40661), (557, 37814), (1022, 20609), (1114, 18907), (2701, 7798), (3899, 5402)]