21874904

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{20873}}^1$

素因数の和:21010

約数の個数: 16

約数和(自身を含む): 41330520

約数和(自身を除く): 19455616

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 20873, 41746, 83492, 166984, 2734363, 5468726, 10937452, 21874904]

約数ペア:

[(1, 21874904), (2, 10937452), (4, 5468726), (8, 2734363), (131, 166984), (262, 83492), (524, 41746), (1048, 20873)]