21757110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1153}}^1$

素因数の和:1217

約数の個数: 64

約数和(自身を含む): 56832192

約数和(自身を除く): 35075082

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 37, 51, 74, 85, 102, 111, 170, 185, 222, 255, 370, 510, 555, 629, 1110, 1153, 1258, 1887, 2306, 3145, 3459, 3774, 5765, 6290, 6918, 9435, 11530, 17295, 18870, 19601, 34590, 39202, 42661, 58803, 85322, 98005, 117606, 127983, 196010, 213305, 255966, 294015, 426610, 588030, 639915, 725237, 1279830, 1450474, 2175711, 3626185, 4351422, 7252370, 10878555, 21757110]

約数ペア:

[(1, 21757110), (2, 10878555), (3, 7252370), (5, 4351422), (6, 3626185), (10, 2175711), (15, 1450474), (17, 1279830), (30, 725237), (34, 639915), (37, 588030), (51, 426610), (74, 294015), (85, 255966), (102, 213305), (111, 196010), (170, 127983), (185, 117606), (222, 98005), (255, 85322), (370, 58803), (510, 42661), (555, 39202), (629, 34590), (1110, 19601), (1153, 18870), (1258, 17295), (1887, 11530), (2306, 9435), (3145, 6918), (3459, 6290), (3774, 5765)]