21554760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{179623}}^1$

素因数の和:179637

約数の個数: 32

約数和(自身を含む): 64664640

約数和(自身を除く): 43109880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 179623, 359246, 538869, 718492, 898115, 1077738, 1436984, 1796230, 2155476, 2694345, 3592460, 4310952, 5388690, 7184920, 10777380, 21554760]

約数ペア:

[(1, 21554760), (2, 10777380), (3, 7184920), (4, 5388690), (5, 4310952), (6, 3592460), (8, 2694345), (10, 2155476), (12, 1796230), (15, 1436984), (20, 1077738), (24, 898115), (30, 718492), (40, 538869), (60, 359246), (120, 179623)]