21352250

素因数分解:

$2^1\times 5^3\times {\mathrm{223}}^1\times {\mathrm{383}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 40255488

約数和(自身を除く): 18903238

約数列:

[1, 2, 5, 10, 25, 50, 125, 223, 250, 383, 446, 766, 1115, 1915, 2230, 3830, 5575, 9575, 11150, 19150, 27875, 47875, 55750, 85409, 95750, 170818, 427045, 854090, 2135225, 4270450, 10676125, 21352250]

約数ペア:

[(1, 21352250), (2, 10676125), (5, 4270450), (10, 2135225), (25, 854090), (50, 427045), (125, 170818), (223, 95750), (250, 85409), (383, 55750), (446, 47875), (766, 27875), (1115, 19150), (1915, 11150), (2230, 9575), (3830, 5575)]