21900117

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{503}}^1\times {\mathrm{631}}^1$

素因数の和:1160

約数の個数: 16

約数和(自身を含む): 30578688

約数和(自身を除く): 8678571

約数列:

[1, 3, 23, 69, 503, 631, 1509, 1893, 11569, 14513, 34707, 43539, 317393, 952179, 7300039, 21900117]

約数ペア:

[(1, 21900117), (3, 7300039), (23, 952179), (69, 317393), (503, 43539), (631, 34707), (1509, 14513), (1893, 11569)]