21343330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{563}}^1$

素因数の和:810

約数の個数: 32

約数和(自身を含む): 40932864

約数和(自身を除く): 19589534

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 223, 446, 563, 1115, 1126, 2230, 2815, 3791, 5630, 7582, 9571, 18955, 19142, 37910, 47855, 95710, 125549, 251098, 627745, 1255490, 2134333, 4268666, 10671665, 21343330]

約数ペア:

[(1, 21343330), (2, 10671665), (5, 4268666), (10, 2134333), (17, 1255490), (34, 627745), (85, 251098), (170, 125549), (223, 95710), (446, 47855), (563, 37910), (1115, 19142), (1126, 18955), (2230, 9571), (2815, 7582), (3791, 5630)]