21067380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{117041}}^1$

素因数の和:117056

約数の個数: 36

約数和(自身を含む): 63904932

約数和(自身を除く): 42837552

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 117041, 234082, 351123, 468164, 585205, 702246, 1053369, 1170410, 1404492, 1755615, 2106738, 2340820, 3511230, 4213476, 5266845, 7022460, 10533690, 21067380]

約数ペア:

[(1, 21067380), (2, 10533690), (3, 7022460), (4, 5266845), (5, 4213476), (6, 3511230), (9, 2340820), (10, 2106738), (12, 1755615), (15, 1404492), (18, 1170410), (20, 1053369), (30, 702246), (36, 585205), (45, 468164), (60, 351123), (90, 234082), (180, 117041)]