21147174

素因数分解:

$2^1\times 3^2\times {\mathrm{173}}^1\times {\mathrm{6791}}^1$

素因数の和:6972

約数の個数: 24

約数和(自身を含む): 46090512

約数和(自身を除く): 24943338

約数列:

[1, 2, 3, 6, 9, 18, 173, 346, 519, 1038, 1557, 3114, 6791, 13582, 20373, 40746, 61119, 122238, 1174843, 2349686, 3524529, 7049058, 10573587, 21147174]

約数ペア:

[(1, 21147174), (2, 10573587), (3, 7049058), (6, 3524529), (9, 2349686), (18, 1174843), (173, 122238), (346, 61119), (519, 40746), (1038, 20373), (1557, 13582), (3114, 6791)]