21521160

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19927}}^1$

素因数の和:19947

約数の個数: 64

約数和(自身を含む): 71740800

約数和(自身を除く): 50219640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 19927, 39854, 59781, 79708, 99635, 119562, 159416, 179343, 199270, 239124, 298905, 358686, 398540, 478248, 538029, 597810, 717372, 797080, 896715, 1076058, 1195620, 1434744, 1793430, 2152116, 2391240, 2690145, 3586860, 4304232, 5380290, 7173720, 10760580, 21521160]

約数ペア:

[(1, 21521160), (2, 10760580), (3, 7173720), (4, 5380290), (5, 4304232), (6, 3586860), (8, 2690145), (9, 2391240), (10, 2152116), (12, 1793430), (15, 1434744), (18, 1195620), (20, 1076058), (24, 896715), (27, 797080), (30, 717372), (36, 597810), (40, 538029), (45, 478248), (54, 398540), (60, 358686), (72, 298905), (90, 239124), (108, 199270), (120, 179343), (135, 159416), (180, 119562), (216, 99635), (270, 79708), (360, 59781), (540, 39854), (1080, 19927)]