21254654

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{18043}}^1$

素因数の和:18095

約数の個数: 16

約数和(自身を含む): 34644480

約数和(自身を除く): 13389826

約数列:

[1, 2, 19, 31, 38, 62, 589, 1178, 18043, 36086, 342817, 559333, 685634, 1118666, 10627327, 21254654]

約数ペア:

[(1, 21254654), (2, 10627327), (19, 1118666), (31, 685634), (38, 559333), (62, 342817), (589, 36086), (1178, 18043)]