21145392

素因数分解:

$2^4\times 3^2\times {\mathrm{146843}}^1$

素因数の和:146857

約数の個数: 30

約数和(自身を含む): 59178132

約数和(自身を除く): 38032740

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 146843, 293686, 440529, 587372, 881058, 1174744, 1321587, 1762116, 2349488, 2643174, 3524232, 5286348, 7048464, 10572696, 21145392]

約数ペア:

[(1, 21145392), (2, 10572696), (3, 7048464), (4, 5286348), (6, 3524232), (8, 2643174), (9, 2349488), (12, 1762116), (16, 1321587), (18, 1174744), (24, 881058), (36, 587372), (48, 440529), (72, 293686), (144, 146843)]