21191010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1123}}^1$

素因数の和:1187

約数の個数: 64

約数和(自身を含む): 55354752

約数和(自身を除く): 34163742

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, 1123, 1258, 1887, 2246, 3145, 3369, 3774, 5615, 6290, 6738, 9435, 11230, 16845, 18870, 19091, 33690, 38182, 41551, 57273, 83102, 95455, 114546, 124653, 190910, 207755, 249306, 286365, 415510, 572730, 623265, 706367, 1246530, 1412734, 2119101, 3531835, 4238202, 7063670, 10595505, 21191010]

約数ペア:

[(1, 21191010), (2, 10595505), (3, 7063670), (5, 4238202), (6, 3531835), (10, 2119101), (15, 1412734), (17, 1246530), (30, 706367), (34, 623265), (37, 572730), (51, 415510), (74, 286365), (85, 249306), (102, 207755), (111, 190910), (170, 124653), (185, 114546), (222, 95455), (255, 83102), (370, 57273), (510, 41551), (555, 38182), (629, 33690), (1110, 19091), (1123, 18870), (1258, 16845), (1887, 11230), (2246, 9435), (3145, 6738), (3369, 6290), (3774, 5615)]