21966265

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{761}}^1$

素因数の和:1040

約数の個数: 16

約数和(自身を含む): 27651456

約数和(自身を除く): 5685191

約数列:

[1, 5, 23, 115, 251, 761, 1255, 3805, 5773, 17503, 28865, 87515, 191011, 955055, 4393253, 21966265]

約数ペア:

[(1, 21966265), (5, 4393253), (23, 955055), (115, 191011), (251, 87515), (761, 28865), (1255, 17503), (3805, 5773)]