21485235

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{18131}}^1$

素因数の和:18218

約数の個数: 16

約数和(自身を含む): 34813440

約数和(自身を除く): 13328205

約数列:

[1, 3, 5, 15, 79, 237, 395, 1185, 18131, 54393, 90655, 271965, 1432349, 4297047, 7161745, 21485235]

約数ペア:

[(1, 21485235), (3, 7161745), (5, 4297047), (15, 1432349), (79, 271965), (237, 90655), (395, 54393), (1185, 18131)]