21064425560

素因数分解:

$2^3\times 5^1\times {\mathrm{853}}^1\times {\mathrm{617363}}^1$

素因数の和:618227

約数の個数: 32

約数和(自身を含む): 47450597040

約数和(自身を除く): 26386171480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 853, 1706, 3412, 4265, 6824, 8530, 17060, 34120, 617363, 1234726, 2469452, 3086815, 4938904, 6173630, 12347260, 24694520, 526610639, 1053221278, 2106442556, 2633053195, 4212885112, 5266106390, 10532212780, 21064425560]

約数ペア:

[(1, 21064425560), (2, 10532212780), (4, 5266106390), (5, 4212885112), (8, 2633053195), (10, 2106442556), (20, 1053221278), (40, 526610639), (853, 24694520), (1706, 12347260), (3412, 6173630), (4265, 4938904), (6824, 3086815), (8530, 2469452), (17060, 1234726), (34120, 617363)]