21795422

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:332

約数の個数: 32

約数和(自身を含む): 36828000

約数和(自身を除く): 15032578

約数列:

[1, 2, 11, 22, 61, 109, 122, 149, 218, 298, 671, 1199, 1342, 1639, 2398, 3278, 6649, 9089, 13298, 16241, 18178, 32482, 73139, 99979, 146278, 178651, 199958, 357302, 990701, 1981402, 10897711, 21795422]

約数ペア:

[(1, 21795422), (2, 10897711), (11, 1981402), (22, 990701), (61, 357302), (109, 199958), (122, 178651), (149, 146278), (218, 99979), (298, 73139), (671, 32482), (1199, 18178), (1342, 16241), (1639, 13298), (2398, 9089), (3278, 6649)]