21260712

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2777}}^1$

素因数の和:2826

約数の個数: 64

約数和(自身を含む): 60004800

約数和(自身を除く): 38744088

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 29, 33, 44, 58, 66, 87, 88, 116, 132, 174, 232, 264, 319, 348, 638, 696, 957, 1276, 1914, 2552, 2777, 3828, 5554, 7656, 8331, 11108, 16662, 22216, 30547, 33324, 61094, 66648, 80533, 91641, 122188, 161066, 183282, 241599, 244376, 322132, 366564, 483198, 644264, 733128, 885863, 966396, 1771726, 1932792, 2657589, 3543452, 5315178, 7086904, 10630356, 21260712]

約数ペア:

[(1, 21260712), (2, 10630356), (3, 7086904), (4, 5315178), (6, 3543452), (8, 2657589), (11, 1932792), (12, 1771726), (22, 966396), (24, 885863), (29, 733128), (33, 644264), (44, 483198), (58, 366564), (66, 322132), (87, 244376), (88, 241599), (116, 183282), (132, 161066), (174, 122188), (232, 91641), (264, 80533), (319, 66648), (348, 61094), (638, 33324), (696, 30547), (957, 22216), (1276, 16662), (1914, 11108), (2552, 8331), (2777, 7656), (3828, 5554)]