21406970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2791}}^1$

素因数の和:2870

約数の個数: 32

約数和(自身を含む): 42215040

約数和(自身を除く): 20808070

約数列:

[1, 2, 5, 10, 13, 26, 59, 65, 118, 130, 295, 590, 767, 1534, 2791, 3835, 5582, 7670, 13955, 27910, 36283, 72566, 164669, 181415, 329338, 362830, 823345, 1646690, 2140697, 4281394, 10703485, 21406970]

約数ペア:

[(1, 21406970), (2, 10703485), (5, 4281394), (10, 2140697), (13, 1646690), (26, 823345), (59, 362830), (65, 329338), (118, 181415), (130, 164669), (295, 72566), (590, 36283), (767, 27910), (1534, 13955), (2791, 7670), (3835, 5582)]