21495881410

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{461}}^1\times {\mathrm{160789}}^1$

素因数の和:161286

約数の個数: 32

約数和(自身を含む): 40113889200

約数和(自身を除く): 18618007790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 461, 922, 2305, 4610, 13369, 26738, 66845, 133690, 160789, 321578, 803945, 1607890, 4662881, 9325762, 23314405, 46628810, 74123729, 148247458, 370618645, 741237290, 2149588141, 4299176282, 10747940705, 21495881410]

約数ペア:

[(1, 21495881410), (2, 10747940705), (5, 4299176282), (10, 2149588141), (29, 741237290), (58, 370618645), (145, 148247458), (290, 74123729), (461, 46628810), (922, 23314405), (2305, 9325762), (4610, 4662881), (13369, 1607890), (26738, 803945), (66845, 321578), (133690, 160789)]