21392142

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{557}}^1$

素因数の和:772

約数の個数: 32

約数和(自身を含む): 44273952

約数和(自身を除く): 22881810

約数列:

[1, 2, 3, 6, 37, 74, 111, 173, 222, 346, 519, 557, 1038, 1114, 1671, 3342, 6401, 12802, 19203, 20609, 38406, 41218, 61827, 96361, 123654, 192722, 289083, 578166, 3565357, 7130714, 10696071, 21392142]

約数ペア:

[(1, 21392142), (2, 10696071), (3, 7130714), (6, 3565357), (37, 578166), (74, 289083), (111, 192722), (173, 123654), (222, 96361), (346, 61827), (519, 41218), (557, 38406), (1038, 20609), (1114, 19203), (1671, 12802), (3342, 6401)]