21787170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{7487}}^1$

素因数の和:7594

約数の個数: 32

約数和(自身を含む): 52835328

約数和(自身を除く): 31048158

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 97, 194, 291, 485, 582, 970, 1455, 2910, 7487, 14974, 22461, 37435, 44922, 74870, 112305, 224610, 726239, 1452478, 2178717, 3631195, 4357434, 7262390, 10893585, 21787170]

約数ペア:

[(1, 21787170), (2, 10893585), (3, 7262390), (5, 4357434), (6, 3631195), (10, 2178717), (15, 1452478), (30, 726239), (97, 224610), (194, 112305), (291, 74870), (485, 44922), (582, 37435), (970, 22461), (1455, 14974), (2910, 7487)]