21131066028

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{198817}}^1$

素因数の和:199362

約数の個数: 48

約数和(自身を含む): 52306629984

約数和(自身を除く): 31175563956

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 521, 1042, 1563, 2084, 3126, 6252, 8857, 17714, 26571, 35428, 53142, 106284, 198817, 397634, 596451, 795268, 1192902, 2385804, 3379889, 6759778, 10139667, 13519556, 20279334, 40558668, 103583657, 207167314, 310750971, 414334628, 621501942, 1243003884, 1760922169, 3521844338, 5282766507, 7043688676, 10565533014, 21131066028]

約数ペア:

[(1, 21131066028), (2, 10565533014), (3, 7043688676), (4, 5282766507), (6, 3521844338), (12, 1760922169), (17, 1243003884), (34, 621501942), (51, 414334628), (68, 310750971), (102, 207167314), (204, 103583657), (521, 40558668), (1042, 20279334), (1563, 13519556), (2084, 10139667), (3126, 6759778), (6252, 3379889), (8857, 2385804), (17714, 1192902), (26571, 795268), (35428, 596451), (53142, 397634), (106284, 198817)]