21825363

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{7477}}^1$

素因数の和:7626

約数の個数: 16

約数和(自身を含む): 33501440

約数和(自身を除く): 11676077

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 7477, 22431, 52339, 157017, 1039303, 3117909, 7275121, 21825363]

約数ペア:

[(1, 21825363), (3, 7275121), (7, 3117909), (21, 1039303), (139, 157017), (417, 52339), (973, 22431), (2919, 7477)]