21149410

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1\times {\mathrm{313}}^1$

素因数の和:582

約数の個数: 32

約数和(自身を含む): 39677040

約数和(自身を除く): 18527630

約数列:

[1, 2, 5, 10, 29, 58, 145, 233, 290, 313, 466, 626, 1165, 1565, 2330, 3130, 6757, 9077, 13514, 18154, 33785, 45385, 67570, 72929, 90770, 145858, 364645, 729290, 2114941, 4229882, 10574705, 21149410]

約数ペア:

[(1, 21149410), (2, 10574705), (5, 4229882), (10, 2114941), (29, 729290), (58, 364645), (145, 145858), (233, 90770), (290, 72929), (313, 67570), (466, 45385), (626, 33785), (1165, 18154), (1565, 13514), (2330, 9077), (3130, 6757)]