21244647780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{118025821}}^1$

素因数の和:118025836

約数の個数: 36

約数和(自身を含む): 64442098812

約数和(自身を除く): 43197451032

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 118025821, 236051642, 354077463, 472103284, 590129105, 708154926, 1062232389, 1180258210, 1416309852, 1770387315, 2124464778, 2360516420, 3540774630, 4248929556, 5311161945, 7081549260, 10622323890, 21244647780]

約数ペア:

[(1, 21244647780), (2, 10622323890), (3, 7081549260), (4, 5311161945), (5, 4248929556), (6, 3540774630), (9, 2360516420), (10, 2124464778), (12, 1770387315), (15, 1416309852), (18, 1180258210), (20, 1062232389), (30, 708154926), (36, 590129105), (45, 472103284), (60, 354077463), (90, 236051642), (180, 118025821)]