21644060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{63659}}^1$

素因数の和:63685

約数の個数: 24

約数和(自身を含む): 48126960

約数和(自身を除く): 26482900

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 63659, 127318, 254636, 318295, 636590, 1082203, 1273180, 2164406, 4328812, 5411015, 10822030, 21644060]

約数ペア:

[(1, 21644060), (2, 10822030), (4, 5411015), (5, 4328812), (10, 2164406), (17, 1273180), (20, 1082203), (34, 636590), (68, 318295), (85, 254636), (170, 127318), (340, 63659)]