21145512

素因数分解:

$2^3\times 3^1\times {\mathrm{311}}^1\times {\mathrm{2833}}^1$

素因数の和:3153

約数の個数: 32

約数和(自身を含む): 53052480

約数和(自身を除く): 31906968

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 311, 622, 933, 1244, 1866, 2488, 2833, 3732, 5666, 7464, 8499, 11332, 16998, 22664, 33996, 67992, 881063, 1762126, 2643189, 3524252, 5286378, 7048504, 10572756, 21145512]

約数ペア:

[(1, 21145512), (2, 10572756), (3, 7048504), (4, 5286378), (6, 3524252), (8, 2643189), (12, 1762126), (24, 881063), (311, 67992), (622, 33996), (933, 22664), (1244, 16998), (1866, 11332), (2488, 8499), (2833, 7464), (3732, 5666)]