21665494

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:312

約数の個数: 32

約数和(自身を含む): 35640000

約数和(自身を除く): 13974506

約数列:

[1, 2, 23, 29, 46, 58, 109, 149, 218, 298, 667, 1334, 2507, 3161, 3427, 4321, 5014, 6322, 6854, 8642, 16241, 32482, 72703, 99383, 145406, 198766, 373543, 470989, 747086, 941978, 10832747, 21665494]

約数ペア:

[(1, 21665494), (2, 10832747), (23, 941978), (29, 747086), (46, 470989), (58, 373543), (109, 198766), (149, 145406), (218, 99383), (298, 72703), (667, 32482), (1334, 16241), (2507, 8642), (3161, 6854), (3427, 6322), (4321, 5014)]