21273812

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{24509}}^1$

素因数の和:24551

約数の個数: 24

約数和(自身を含む): 43921920

約数和(自身を除く): 22648108

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 24509, 49018, 98036, 171563, 343126, 686252, 759779, 1519558, 3039116, 5318453, 10636906, 21273812]

約数ペア:

[(1, 21273812), (2, 10636906), (4, 5318453), (7, 3039116), (14, 1519558), (28, 759779), (31, 686252), (62, 343126), (124, 171563), (217, 98036), (434, 49018), (868, 24509)]