21796476

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139721}}^1$

素因数の和:139741

約数の個数: 24

約数和(自身を含む): 54771024

約数和(自身を除く): 32974548

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 139721, 279442, 419163, 558884, 838326, 1676652, 1816373, 3632746, 5449119, 7265492, 10898238, 21796476]

約数ペア:

[(1, 21796476), (2, 10898238), (3, 7265492), (4, 5449119), (6, 3632746), (12, 1816373), (13, 1676652), (26, 838326), (39, 558884), (52, 419163), (78, 279442), (156, 139721)]