21660616

素因数分解:

$2^3\times {\mathrm{557}}^1\times {\mathrm{4861}}^1$

素因数の和:5424

約数の個数: 16

約数和(自身を含む): 40694940

約数和(自身を除く): 19034324

約数列:

[1, 2, 4, 8, 557, 1114, 2228, 4456, 4861, 9722, 19444, 38888, 2707577, 5415154, 10830308, 21660616]

約数ペア:

[(1, 21660616), (2, 10830308), (4, 5415154), (8, 2707577), (557, 38888), (1114, 19444), (2228, 9722), (4456, 4861)]