21994393394

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1\times {\mathrm{345487}}^1$

素因数の和:345857

約数の個数: 16

約数和(自身を含む): 33374140800

約数和(自身を除く): 11379747406

約数列:

[1, 2, 139, 229, 278, 458, 31831, 63662, 345487, 690974, 48022693, 79116523, 96045386, 158233046, 10997196697, 21994393394]

約数ペア:

[(1, 21994393394), (2, 10997196697), (139, 158233046), (229, 96045386), (278, 79116523), (458, 48022693), (31831, 690974), (63662, 345487)]