21446766

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:302

約数の個数: 72

約数和(自身を含む): 52492440

約数和(自身を除く): 31045674

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 43, 66, 86, 99, 121, 129, 198, 229, 242, 258, 363, 387, 458, 473, 687, 726, 774, 946, 1089, 1374, 1419, 2061, 2178, 2519, 2838, 4122, 4257, 5038, 5203, 7557, 8514, 9847, 10406, 15114, 15609, 19694, 22671, 27709, 29541, 31218, 45342, 46827, 55418, 59082, 83127, 88623, 93654, 108317, 166254, 177246, 216634, 249381, 324951, 498762, 649902, 974853, 1191487, 1949706, 2382974, 3574461, 7148922, 10723383, 21446766]

約数ペア:

[(1, 21446766), (2, 10723383), (3, 7148922), (6, 3574461), (9, 2382974), (11, 1949706), (18, 1191487), (22, 974853), (33, 649902), (43, 498762), (66, 324951), (86, 249381), (99, 216634), (121, 177246), (129, 166254), (198, 108317), (229, 93654), (242, 88623), (258, 83127), (363, 59082), (387, 55418), (458, 46827), (473, 45342), (687, 31218), (726, 29541), (774, 27709), (946, 22671), (1089, 19694), (1374, 15609), (1419, 15114), (2061, 10406), (2178, 9847), (2519, 8514), (2838, 7557), (4122, 5203), (4257, 5038)]