21987500450

素因数分解:

$2^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{3891593}}^1$

素因数の和:3891718

約数の個数: 24

約数和(自身を含む): 41258679588

約数和(自身を除く): 19271179138

約数列:

[1, 2, 5, 10, 25, 50, 113, 226, 565, 1130, 2825, 5650, 3891593, 7783186, 19457965, 38915930, 97289825, 194579650, 439750009, 879500018, 2198750045, 4397500090, 10993750225, 21987500450]

約数ペア:

[(1, 21987500450), (2, 10993750225), (5, 4397500090), (10, 2198750045), (25, 879500018), (50, 439750009), (113, 194579650), (226, 97289825), (565, 38915930), (1130, 19457965), (2825, 7783186), (5650, 3891593)]