21522420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{119569}}^1$

素因数の和:119584

約数の個数: 36

約数和(自身を含む): 65285220

約数和(自身を除く): 43762800

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 119569, 239138, 358707, 478276, 597845, 717414, 1076121, 1195690, 1434828, 1793535, 2152242, 2391380, 3587070, 4304484, 5380605, 7174140, 10761210, 21522420]

約数ペア:

[(1, 21522420), (2, 10761210), (3, 7174140), (4, 5380605), (5, 4304484), (6, 3587070), (9, 2391380), (10, 2152242), (12, 1793535), (15, 1434828), (18, 1195690), (20, 1076121), (30, 717414), (36, 597845), (45, 478276), (60, 358707), (90, 239138), (180, 119569)]