21572100081

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{5110661}}^1$

素因数の和:5110741

約数の個数: 24

約数和(自身を含む): 36142601664

約数和(自身を除く): 14570501583

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 5110661, 15331983, 35774627, 45995949, 107323881, 321971643, 342414287, 1027242861, 2396900009, 3081728583, 7190700027, 21572100081]

約数ペア:

[(1, 21572100081), (3, 7190700027), (7, 3081728583), (9, 2396900009), (21, 1027242861), (63, 342414287), (67, 321971643), (201, 107323881), (469, 45995949), (603, 35774627), (1407, 15331983), (4221, 5110661)]