21800410

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{641}}^1$

素因数の和:846

約数の個数: 32

約数和(自身を含む): 41601600

約数和(自身を除く): 19801190

約数列:

[1, 2, 5, 10, 19, 38, 95, 179, 190, 358, 641, 895, 1282, 1790, 3205, 3401, 6410, 6802, 12179, 17005, 24358, 34010, 60895, 114739, 121790, 229478, 573695, 1147390, 2180041, 4360082, 10900205, 21800410]

約数ペア:

[(1, 21800410), (2, 10900205), (5, 4360082), (10, 2180041), (19, 1147390), (38, 573695), (95, 229478), (179, 121790), (190, 114739), (358, 60895), (641, 34010), (895, 24358), (1282, 17005), (1790, 12179), (3205, 6802), (3401, 6410)]