21169436

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{271}}^1\times {\mathrm{331}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 37927680

約数和(自身を除く): 16758244

約数列:

[1, 2, 4, 59, 118, 236, 271, 331, 542, 662, 1084, 1324, 15989, 19529, 31978, 39058, 63956, 78116, 89701, 179402, 358804, 5292359, 10584718, 21169436]

約数ペア:

[(1, 21169436), (2, 10584718), (4, 5292359), (59, 358804), (118, 179402), (236, 89701), (271, 78116), (331, 63956), (542, 39058), (662, 31978), (1084, 19529), (1324, 15989)]