21637833

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{19441}}^1$

素因数の和:19504

約数の個数: 16

約数和(自身を含む): 33595776

約数和(自身を除く): 11957943

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 19441, 58323, 136087, 408261, 1030373, 3091119, 7212611, 21637833]

約数ペア:

[(1, 21637833), (3, 7212611), (7, 3091119), (21, 1030373), (53, 408261), (159, 136087), (371, 58323), (1113, 19441)]