21719318

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{19709}}^1$

素因数の和:19759

約数の個数: 16

約数和(自身を含む): 35478000

約数和(自身を除く): 13758682

約数列:

[1, 2, 19, 29, 38, 58, 551, 1102, 19709, 39418, 374471, 571561, 748942, 1143122, 10859659, 21719318]

約数ペア:

[(1, 21719318), (2, 10859659), (19, 1143122), (29, 748942), (38, 571561), (58, 374471), (551, 39418), (1102, 19709)]