21848940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13487}}^1$

素因数の和:13508

約数の個数: 60

約数和(自身を含む): 68546016

約数和(自身を除く): 46697076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 13487, 26974, 40461, 53948, 67435, 80922, 121383, 134870, 161844, 202305, 242766, 269740, 364149, 404610, 485532, 606915, 728298, 809220, 1092447, 1213830, 1456596, 1820745, 2184894, 2427660, 3641490, 4369788, 5462235, 7282980, 10924470, 21848940]

約数ペア:

[(1, 21848940), (2, 10924470), (3, 7282980), (4, 5462235), (5, 4369788), (6, 3641490), (9, 2427660), (10, 2184894), (12, 1820745), (15, 1456596), (18, 1213830), (20, 1092447), (27, 809220), (30, 728298), (36, 606915), (45, 485532), (54, 404610), (60, 364149), (81, 269740), (90, 242766), (108, 202305), (135, 161844), (162, 134870), (180, 121383), (270, 80922), (324, 67435), (405, 53948), (540, 40461), (810, 26974), (1620, 13487)]