21185718

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1\times {\mathrm{389}}^1$

素因数の和:736

約数の個数: 32

約数和(自身を含む): 44085600

約数和(自身を除く): 22899882

約数列:

[1, 2, 3, 6, 29, 58, 87, 174, 313, 389, 626, 778, 939, 1167, 1878, 2334, 9077, 11281, 18154, 22562, 27231, 33843, 54462, 67686, 121757, 243514, 365271, 730542, 3530953, 7061906, 10592859, 21185718]

約数ペア:

[(1, 21185718), (2, 10592859), (3, 7061906), (6, 3530953), (29, 730542), (58, 365271), (87, 243514), (174, 121757), (313, 67686), (389, 54462), (626, 33843), (778, 27231), (939, 22562), (1167, 18154), (1878, 11281), (2334, 9077)]