21960485

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{853}}^1$

素因数の和:1148

約数の個数: 16

約数和(自身を含む): 27874560

約数和(自身を除く): 5914075

約数列:

[1, 5, 19, 95, 271, 853, 1355, 4265, 5149, 16207, 25745, 81035, 231163, 1155815, 4392097, 21960485]

約数ペア:

[(1, 21960485), (5, 4392097), (19, 1155815), (95, 231163), (271, 81035), (853, 25745), (1355, 16207), (4265, 5149)]