21007422

素因数分解:

$2^1\times 3^2\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:349

約数の個数: 48

約数和(自身を含む): 46949760

約数和(自身を除く): 25942338

約数列:

[1, 2, 3, 6, 9, 18, 59, 118, 131, 151, 177, 262, 302, 354, 393, 453, 531, 786, 906, 1062, 1179, 1359, 2358, 2718, 7729, 8909, 15458, 17818, 19781, 23187, 26727, 39562, 46374, 53454, 59343, 69561, 80181, 118686, 139122, 160362, 178029, 356058, 1167079, 2334158, 3501237, 7002474, 10503711, 21007422]

約数ペア:

[(1, 21007422), (2, 10503711), (3, 7002474), (6, 3501237), (9, 2334158), (18, 1167079), (59, 356058), (118, 178029), (131, 160362), (151, 139122), (177, 118686), (262, 80181), (302, 69561), (354, 59343), (393, 53454), (453, 46374), (531, 39562), (786, 26727), (906, 23187), (1062, 19781), (1179, 17818), (1359, 15458), (2358, 8909), (2718, 7729)]