21103697390

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6869}}^1\times {\mathrm{3889}}^1$

素因数の和:10844

約数の個数: 32

約数和(自身を含む): 38482992000

約数和(自身を除く): 17379294610

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 3889, 6869, 7778, 13738, 19445, 34345, 38890, 68690, 307231, 542651, 614462, 1085302, 1536155, 2713255, 3072310, 5426510, 26713541, 53427082, 133567705, 267135410, 2110369739, 4220739478, 10551848695, 21103697390]

約数ペア:

[(1, 21103697390), (2, 10551848695), (5, 4220739478), (10, 2110369739), (79, 267135410), (158, 133567705), (395, 53427082), (790, 26713541), (3889, 5426510), (6869, 3072310), (7778, 2713255), (13738, 1536155), (19445, 1085302), (34345, 614462), (38890, 542651), (68690, 307231)]