21363040

素因数分解:

$2^5\times 5^1\times {\mathrm{133519}}^1$

素因数の和:133534

約数の個数: 24

約数和(自身を含む): 50470560

約数和(自身を除く): 29107520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 133519, 267038, 534076, 667595, 1068152, 1335190, 2136304, 2670380, 4272608, 5340760, 10681520, 21363040]

約数ペア:

[(1, 21363040), (2, 10681520), (4, 5340760), (5, 4272608), (8, 2670380), (10, 2136304), (16, 1335190), (20, 1068152), (32, 667595), (40, 534076), (80, 267038), (160, 133519)]