21502364

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{1063}}^1$

素因数の和:1469

約数の個数: 24

約数和(自身を含む): 40666080

約数和(自身を除く): 19163716

約数列:

[1, 2, 4, 13, 26, 52, 389, 778, 1063, 1556, 2126, 4252, 5057, 10114, 13819, 20228, 27638, 55276, 413507, 827014, 1654028, 5375591, 10751182, 21502364]

約数ペア:

[(1, 21502364), (2, 10751182), (4, 5375591), (13, 1654028), (26, 827014), (52, 413507), (389, 55276), (778, 27638), (1063, 20228), (1556, 13819), (2126, 10114), (4252, 5057)]