21207804924

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^2\times {\mathrm{800053}}^1$

素因数の和:800154

約数の個数: 36

約数和(自身を含む): 50560212584

約数和(自身を除く): 29352407660

約数列:

[1, 2, 3, 4, 6, 12, 47, 94, 141, 188, 282, 564, 2209, 4418, 6627, 8836, 13254, 26508, 800053, 1600106, 2400159, 3200212, 4800318, 9600636, 37602491, 75204982, 112807473, 150409964, 225614946, 451229892, 1767317077, 3534634154, 5301951231, 7069268308, 10603902462, 21207804924]

約数ペア:

[(1, 21207804924), (2, 10603902462), (3, 7069268308), (4, 5301951231), (6, 3534634154), (12, 1767317077), (47, 451229892), (94, 225614946), (141, 150409964), (188, 112807473), (282, 75204982), (564, 37602491), (2209, 9600636), (4418, 4800318), (6627, 3200212), (8836, 2400159), (13254, 1600106), (26508, 800053)]