21723505

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1\times {\mathrm{349}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 26712000

約数和(自身を除く): 4988495

約数列:

[1, 5, 59, 211, 295, 349, 1055, 1745, 12449, 20591, 62245, 73639, 102955, 368195, 4344701, 21723505]

約数ペア:

[(1, 21723505), (5, 4344701), (59, 368195), (211, 102955), (295, 73639), (349, 62245), (1055, 20591), (1745, 12449)]