21973010

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4457}}^1$

素因数の和:4510

約数の個数: 32

約数和(自身を含む): 43331760

約数和(自身を除く): 21358750

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 986, 2465, 4457, 4930, 8914, 22285, 44570, 75769, 129253, 151538, 258506, 378845, 646265, 757690, 1292530, 2197301, 4394602, 10986505, 21973010]

約数ペア:

[(1, 21973010), (2, 10986505), (5, 4394602), (10, 2197301), (17, 1292530), (29, 757690), (34, 646265), (58, 378845), (85, 258506), (145, 151538), (170, 129253), (290, 75769), (493, 44570), (986, 22285), (2465, 8914), (4457, 4930)]