21291255902

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{859697}}^1$

素因数の和:859796

約数の個数: 32

約数和(自身を含む): 38376918720

約数和(自身を除く): 17085662818

約数列:

[1, 2, 7, 14, 29, 58, 61, 122, 203, 406, 427, 854, 1769, 3538, 12383, 24766, 859697, 1719394, 6017879, 12035758, 24931213, 49862426, 52441517, 104883034, 174518491, 349036982, 367090619, 734181238, 1520803993, 3041607986, 10645627951, 21291255902]

約数ペア:

[(1, 21291255902), (2, 10645627951), (7, 3041607986), (14, 1520803993), (29, 734181238), (58, 367090619), (61, 349036982), (122, 174518491), (203, 104883034), (406, 52441517), (427, 49862426), (854, 24931213), (1769, 12035758), (3538, 6017879), (12383, 1719394), (24766, 859697)]