21796956

素因数分解:

$2^2\times 3^2\times {\mathrm{605471}}^1$

素因数の和:605481

約数の個数: 18

約数和(自身を含む): 55097952

約数和(自身を除く): 33300996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 605471, 1210942, 1816413, 2421884, 3632826, 5449239, 7265652, 10898478, 21796956]

約数ペア:

[(1, 21796956), (2, 10898478), (3, 7265652), (4, 5449239), (6, 3632826), (9, 2421884), (12, 1816413), (18, 1210942), (36, 605471)]