21423130

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{487}}^1$

素因数の和:630

約数の個数: 32

約数和(自身を含む): 39844224

約数和(自身を除く): 18421094

約数列:

[1, 2, 5, 10, 53, 83, 106, 166, 265, 415, 487, 530, 830, 974, 2435, 4399, 4870, 8798, 21995, 25811, 40421, 43990, 51622, 80842, 129055, 202105, 258110, 404210, 2142313, 4284626, 10711565, 21423130]

約数ペア:

[(1, 21423130), (2, 10711565), (5, 4284626), (10, 2142313), (53, 404210), (83, 258110), (106, 202105), (166, 129055), (265, 80842), (415, 51622), (487, 43990), (530, 40421), (830, 25811), (974, 21995), (2435, 8798), (4399, 4870)]