21044176

素因数分解:

$2^4\times {\mathrm{397}}^1\times {\mathrm{3313}}^1$

素因数の和:3718

約数の個数: 20

約数和(自身を含む): 40888132

約数和(自身を除く): 19843956

約数列:

[1, 2, 4, 8, 16, 397, 794, 1588, 3176, 3313, 6352, 6626, 13252, 26504, 53008, 1315261, 2630522, 5261044, 10522088, 21044176]

約数ペア:

[(1, 21044176), (2, 10522088), (4, 5261044), (8, 2630522), (16, 1315261), (397, 53008), (794, 26504), (1588, 13252), (3176, 6626), (3313, 6352)]