21292496

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:567

約数の個数: 40

約数和(自身を含む): 43170600

約数和(自身を除く): 21878104

約数列:

[1, 2, 4, 8, 16, 29, 58, 109, 116, 218, 232, 421, 436, 464, 842, 872, 1684, 1744, 3161, 3368, 6322, 6736, 12209, 12644, 24418, 25288, 45889, 48836, 50576, 91778, 97672, 183556, 195344, 367112, 734224, 1330781, 2661562, 5323124, 10646248, 21292496]

約数ペア:

[(1, 21292496), (2, 10646248), (4, 5323124), (8, 2661562), (16, 1330781), (29, 734224), (58, 367112), (109, 195344), (116, 183556), (218, 97672), (232, 91778), (421, 50576), (436, 48836), (464, 45889), (842, 25288), (872, 24418), (1684, 12644), (1744, 12209), (3161, 6736), (3368, 6322)]