21799550

素因数分解:

$2^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{3433}}^1$

素因数の和:3572

約数の個数: 24

約数和(自身を含む): 40878336

約数和(自身を除く): 19078786

約数列:

[1, 2, 5, 10, 25, 50, 127, 254, 635, 1270, 3175, 3433, 6350, 6866, 17165, 34330, 85825, 171650, 435991, 871982, 2179955, 4359910, 10899775, 21799550]

約数ペア:

[(1, 21799550), (2, 10899775), (5, 4359910), (10, 2179955), (25, 871982), (50, 435991), (127, 171650), (254, 85825), (635, 34330), (1270, 17165), (3175, 6866), (3433, 6350)]