21031610845

素因数分解:

$5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1\times {\mathrm{26141}}^1$

素因数の和:26461

約数の個数: 32

約数和(自身を含む): 29232193536

約数和(自身を除く): 8200582691

約数列:

[1, 5, 7, 35, 127, 181, 635, 889, 905, 1267, 4445, 6335, 22987, 26141, 114935, 130705, 160909, 182987, 804545, 914935, 3319907, 4731521, 16599535, 23239349, 23657605, 33120647, 116196745, 165603235, 600903167, 3004515835, 4206322169, 21031610845]

約数ペア:

[(1, 21031610845), (5, 4206322169), (7, 3004515835), (35, 600903167), (127, 165603235), (181, 116196745), (635, 33120647), (889, 23657605), (905, 23239349), (1267, 16599535), (4445, 4731521), (6335, 3319907), (22987, 914935), (26141, 804545), (114935, 182987), (130705, 160909)]