21163410

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{761}}^1$

素因数の和:880

約数の個数: 64

約数和(自身を含む): 57058560

約数和(自身を除く): 35895150

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 103, 135, 206, 270, 309, 515, 618, 761, 927, 1030, 1522, 1545, 1854, 2283, 2781, 3090, 3805, 4566, 4635, 5562, 6849, 7610, 9270, 11415, 13698, 13905, 20547, 22830, 27810, 34245, 41094, 68490, 78383, 102735, 156766, 205470, 235149, 391915, 470298, 705447, 783830, 1175745, 1410894, 2116341, 2351490, 3527235, 4232682, 7054470, 10581705, 21163410]

約数ペア:

[(1, 21163410), (2, 10581705), (3, 7054470), (5, 4232682), (6, 3527235), (9, 2351490), (10, 2116341), (15, 1410894), (18, 1175745), (27, 783830), (30, 705447), (45, 470298), (54, 391915), (90, 235149), (103, 205470), (135, 156766), (206, 102735), (270, 78383), (309, 68490), (515, 41094), (618, 34245), (761, 27810), (927, 22830), (1030, 20547), (1522, 13905), (1545, 13698), (1854, 11415), (2283, 9270), (2781, 7610), (3090, 6849), (3805, 5562), (4566, 4635)]