21821042

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1\times {\mathrm{467}}^1$

素因数の和:913

約数の個数: 16

約数和(自身を含む): 33426432

約数和(自身を除く): 11605390

約数列:

[1, 2, 61, 122, 383, 467, 766, 934, 23363, 28487, 46726, 56974, 178861, 357722, 10910521, 21821042]

約数ペア:

[(1, 21821042), (2, 10910521), (61, 357722), (122, 178861), (383, 56974), (467, 46726), (766, 28487), (934, 23363)]