21009610

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{233}}^1$

素因数の和:438

約数の個数: 32

約数和(自身を含む): 38817792

約数和(自身を除く): 17808182

約数列:

[1, 2, 5, 10, 71, 127, 142, 233, 254, 355, 466, 635, 710, 1165, 1270, 2330, 9017, 16543, 18034, 29591, 33086, 45085, 59182, 82715, 90170, 147955, 165430, 295910, 2100961, 4201922, 10504805, 21009610]

約数ペア:

[(1, 21009610), (2, 10504805), (5, 4201922), (10, 2100961), (71, 295910), (127, 165430), (142, 147955), (233, 90170), (254, 82715), (355, 59182), (466, 45085), (635, 33086), (710, 29591), (1165, 18034), (1270, 16543), (2330, 9017)]