21488900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{9343}}^1$

素因数の和:9380

約数の個数: 36

約数和(自身を含む): 48663552

約数和(自身を除く): 27174652

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 230, 460, 575, 1150, 2300, 9343, 18686, 37372, 46715, 93430, 186860, 214889, 233575, 429778, 467150, 859556, 934300, 1074445, 2148890, 4297780, 5372225, 10744450, 21488900]

約数ペア:

[(1, 21488900), (2, 10744450), (4, 5372225), (5, 4297780), (10, 2148890), (20, 1074445), (23, 934300), (25, 859556), (46, 467150), (50, 429778), (92, 233575), (100, 214889), (115, 186860), (230, 93430), (460, 46715), (575, 37372), (1150, 18686), (2300, 9343)]