21547406

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{19553}}^1$

素因数の和:19603

約数の個数: 16

約数和(自身を含む): 35197200

約数和(自身を除く): 13649794

約数列:

[1, 2, 19, 29, 38, 58, 551, 1102, 19553, 39106, 371507, 567037, 743014, 1134074, 10773703, 21547406]

約数ペア:

[(1, 21547406), (2, 10773703), (19, 1134074), (29, 743014), (38, 567037), (58, 371507), (551, 39106), (1102, 19553)]