21889620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{121609}}^1$

素因数の和:121624

約数の個数: 36

約数和(自身を含む): 66399060

約数和(自身を除く): 44509440

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 121609, 243218, 364827, 486436, 608045, 729654, 1094481, 1216090, 1459308, 1824135, 2188962, 2432180, 3648270, 4377924, 5472405, 7296540, 10944810, 21889620]

約数ペア:

[(1, 21889620), (2, 10944810), (3, 7296540), (4, 5472405), (5, 4377924), (6, 3648270), (9, 2432180), (10, 2188962), (12, 1824135), (15, 1459308), (18, 1216090), (20, 1094481), (30, 729654), (36, 608045), (45, 486436), (60, 364827), (90, 243218), (180, 121609)]