21842278

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{359}}^1\times {\mathrm{1049}}^1$

素因数の和:1439

約数の個数: 16

約数和(自身を含む): 34020000

約数和(自身を除く): 12177722

約数列:

[1, 2, 29, 58, 359, 718, 1049, 2098, 10411, 20822, 30421, 60842, 376591, 753182, 10921139, 21842278]

約数ペア:

[(1, 21842278), (2, 10921139), (29, 753182), (58, 376591), (359, 60842), (718, 30421), (1049, 20822), (2098, 10411)]