21895560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{60821}}^1$

素因数の和:60838

約数の個数: 48

約数和(自身を含む): 71161740

約数和(自身を除く): 49266180

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 60821, 121642, 182463, 243284, 304105, 364926, 486568, 547389, 608210, 729852, 912315, 1094778, 1216420, 1459704, 1824630, 2189556, 2432840, 2736945, 3649260, 4379112, 5473890, 7298520, 10947780, 21895560]

約数ペア:

[(1, 21895560), (2, 10947780), (3, 7298520), (4, 5473890), (5, 4379112), (6, 3649260), (8, 2736945), (9, 2432840), (10, 2189556), (12, 1824630), (15, 1459704), (18, 1216420), (20, 1094778), (24, 912315), (30, 729852), (36, 608210), (40, 547389), (45, 486568), (60, 364926), (72, 304105), (90, 243284), (120, 182463), (180, 121642), (360, 60821)]