21436465

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{4801}}^1$

素因数の和:4872

約数の個数: 16

約数和(自身を含む): 27659520

約数和(自身を除く): 6223055

約数列:

[1, 5, 19, 47, 95, 235, 893, 4465, 4801, 24005, 91219, 225647, 456095, 1128235, 4287293, 21436465]

約数ペア:

[(1, 21436465), (5, 4287293), (19, 1128235), (47, 456095), (95, 225647), (235, 91219), (893, 24005), (4465, 4801)]