21279222

素因数分解:

$2^1\times 3^2\times {\mathrm{151}}^1\times {\mathrm{7829}}^1$

素因数の和:7988

約数の個数: 24

約数和(自身を含む): 46416240

約数和(自身を除く): 25137018

約数列:

[1, 2, 3, 6, 9, 18, 151, 302, 453, 906, 1359, 2718, 7829, 15658, 23487, 46974, 70461, 140922, 1182179, 2364358, 3546537, 7093074, 10639611, 21279222]

約数ペア:

[(1, 21279222), (2, 10639611), (3, 7093074), (6, 3546537), (9, 2364358), (18, 1182179), (151, 140922), (302, 70461), (453, 46974), (906, 23487), (1359, 15658), (2718, 7829)]