21753255

素因数分解:

$3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{9733}}^1$

素因数の和:9890

約数の個数: 16

約数和(自身を含む): 35042400

約数和(自身を除く): 13289145

約数列:

[1, 3, 5, 15, 149, 447, 745, 2235, 9733, 29199, 48665, 145995, 1450217, 4350651, 7251085, 21753255]

約数ペア:

[(1, 21753255), (3, 7251085), (5, 4350651), (15, 1450217), (149, 145995), (447, 48665), (745, 29199), (2235, 9733)]