21758218

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{2153}}^1$

素因数の和:2349

約数の個数: 16

約数和(自身を含む): 33912576

約数和(自身を除く): 12154358

約数列:

[1, 2, 31, 62, 163, 326, 2153, 4306, 5053, 10106, 66743, 133486, 350939, 701878, 10879109, 21758218]

約数ペア:

[(1, 21758218), (2, 10879109), (31, 701878), (62, 350939), (163, 133486), (326, 66743), (2153, 10106), (4306, 5053)]