21682832

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{19087}}^1$

素因数の和:19166

約数の個数: 20

約数和(自身を含む): 42604416

約数和(自身を除く): 20921584

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 19087, 38174, 76348, 152696, 305392, 1355177, 2710354, 5420708, 10841416, 21682832]

約数ペア:

[(1, 21682832), (2, 10841416), (4, 5420708), (8, 2710354), (16, 1355177), (71, 305392), (142, 152696), (284, 76348), (568, 38174), (1136, 19087)]