21442320

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{1103}}^1$

素因数の和:1131

約数の個数: 120

約数和(自身を含む): 74745216

約数和(自身を除く): 53302896

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1080, 1103, 1215, 1296, 1620, 1944, 2160, 2206, 2430, 3240, 3309, 3888, 4412, 4860, 5515, 6480, 6618, 8824, 9720, 9927, 11030, 13236, 16545, 17648, 19440, 19854, 22060, 26472, 29781, 33090, 39708, 44120, 49635, 52944, 59562, 66180, 79416, 88240, 89343, 99270, 119124, 132360, 148905, 158832, 178686, 198540, 238248, 264720, 268029, 297810, 357372, 397080, 446715, 476496, 536058, 595620, 714744, 794160, 893430, 1072116, 1191240, 1340145, 1429488, 1786860, 2144232, 2382480, 2680290, 3573720, 4288464, 5360580, 7147440, 10721160, 21442320]

約数ペア:

[(1, 21442320), (2, 10721160), (3, 7147440), (4, 5360580), (5, 4288464), (6, 3573720), (8, 2680290), (9, 2382480), (10, 2144232), (12, 1786860), (15, 1429488), (16, 1340145), (18, 1191240), (20, 1072116), (24, 893430), (27, 794160), (30, 714744), (36, 595620), (40, 536058), (45, 476496), (48, 446715), (54, 397080), (60, 357372), (72, 297810), (80, 268029), (81, 264720), (90, 238248), (108, 198540), (120, 178686), (135, 158832), (144, 148905), (162, 132360), (180, 119124), (216, 99270), (240, 89343), (243, 88240), (270, 79416), (324, 66180), (360, 59562), (405, 52944), (432, 49635), (486, 44120), (540, 39708), (648, 33090), (720, 29781), (810, 26472), (972, 22060), (1080, 19854), (1103, 19440), (1215, 17648), (1296, 16545), (1620, 13236), (1944, 11030), (2160, 9927), (2206, 9720), (2430, 8824), (3240, 6618), (3309, 6480), (3888, 5515), (4412, 4860)]