21230164

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{547}}^1$

素因数の和:895

約数の個数: 24

約数和(自身を含む): 38544128

約数和(自身を除く): 17313964

約数列:

[1, 2, 4, 31, 62, 124, 313, 547, 626, 1094, 1252, 2188, 9703, 16957, 19406, 33914, 38812, 67828, 171211, 342422, 684844, 5307541, 10615082, 21230164]

約数ペア:

[(1, 21230164), (2, 10615082), (4, 5307541), (31, 684844), (62, 342422), (124, 171211), (313, 67828), (547, 38812), (626, 33914), (1094, 19406), (1252, 16957), (2188, 9703)]