21317616

素因数分解:

$2^4\times 3^2\times {\mathrm{317}}^1\times {\mathrm{467}}^1$

素因数の和:798

約数の個数: 60

約数和(自身を含む): 59976072

約数和(自身を除く): 38658456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 317, 467, 634, 934, 951, 1268, 1401, 1868, 1902, 2536, 2802, 2853, 3736, 3804, 4203, 5072, 5604, 5706, 7472, 7608, 8406, 11208, 11412, 15216, 16812, 22416, 22824, 33624, 45648, 67248, 148039, 296078, 444117, 592156, 888234, 1184312, 1332351, 1776468, 2368624, 2664702, 3552936, 5329404, 7105872, 10658808, 21317616]

約数ペア:

[(1, 21317616), (2, 10658808), (3, 7105872), (4, 5329404), (6, 3552936), (8, 2664702), (9, 2368624), (12, 1776468), (16, 1332351), (18, 1184312), (24, 888234), (36, 592156), (48, 444117), (72, 296078), (144, 148039), (317, 67248), (467, 45648), (634, 33624), (934, 22824), (951, 22416), (1268, 16812), (1401, 15216), (1868, 11412), (1902, 11208), (2536, 8406), (2802, 7608), (2853, 7472), (3736, 5706), (3804, 5604), (4203, 5072)]