21975982

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{25733}}^1$

素因数の和:25803

約数の個数: 16

約数和(自身を含む): 38292192

約数和(自身を除く): 16316210

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 25733, 51466, 180131, 360262, 1569713, 3139426, 10987991, 21975982]

約数ペア:

[(1, 21975982), (2, 10987991), (7, 3139426), (14, 1569713), (61, 360262), (122, 180131), (427, 51466), (854, 25733)]