17721140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{52121}}^1$

素因数の和:52147

約数の個数: 24

約数和(自身を含む): 39404232

約数和(自身を除く): 21683092

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 52121, 104242, 208484, 260605, 521210, 886057, 1042420, 1772114, 3544228, 4430285, 8860570, 17721140]

約数ペア:

[(1, 17721140), (2, 8860570), (4, 4430285), (5, 3544228), (10, 1772114), (17, 1042420), (20, 886057), (34, 521210), (68, 260605), (85, 208484), (170, 104242), (340, 52121)]