21649860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{120277}}^1$

素因数の和:120292

約数の個数: 36

約数和(自身を含む): 65671788

約数和(自身を除く): 44021928

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 120277, 240554, 360831, 481108, 601385, 721662, 1082493, 1202770, 1443324, 1804155, 2164986, 2405540, 3608310, 4329972, 5412465, 7216620, 10824930, 21649860]

約数ペア:

[(1, 21649860), (2, 10824930), (3, 7216620), (4, 5412465), (5, 4329972), (6, 3608310), (9, 2405540), (10, 2164986), (12, 1804155), (15, 1443324), (18, 1202770), (20, 1082493), (30, 721662), (36, 601385), (45, 481108), (60, 360831), (90, 240554), (180, 120277)]