21167459090

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{701}}^1\times {\mathrm{1567}}^1$

素因数の和:2363

約数の個数: 64

約数和(自身を含む): 39943507968

約数和(自身を除く): 18776048878

約数列:

[1, 2, 5, 10, 41, 47, 82, 94, 205, 235, 410, 470, 701, 1402, 1567, 1927, 3134, 3505, 3854, 7010, 7835, 9635, 15670, 19270, 28741, 32947, 57482, 64247, 65894, 73649, 128494, 143705, 147298, 164735, 287410, 321235, 329470, 368245, 642470, 736490, 1098467, 1350827, 2196934, 2701654, 3019609, 5492335, 6039218, 6754135, 10984670, 13508270, 15098045, 30196090, 45037147, 51627949, 90074294, 103255898, 225185735, 258139745, 450371470, 516279490, 2116745909, 4233491818, 10583729545, 21167459090]

約数ペア:

[(1, 21167459090), (2, 10583729545), (5, 4233491818), (10, 2116745909), (41, 516279490), (47, 450371470), (82, 258139745), (94, 225185735), (205, 103255898), (235, 90074294), (410, 51627949), (470, 45037147), (701, 30196090), (1402, 15098045), (1567, 13508270), (1927, 10984670), (3134, 6754135), (3505, 6039218), (3854, 5492335), (7010, 3019609), (7835, 2701654), (9635, 2196934), (15670, 1350827), (19270, 1098467), (28741, 736490), (32947, 642470), (57482, 368245), (64247, 329470), (65894, 321235), (73649, 287410), (128494, 164735), (143705, 147298)]