21132798

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{547}}^1$

素因数の和:736

約数の個数: 32

約数和(自身を含む): 43559424

約数和(自身を除く): 22426626

約数列:

[1, 2, 3, 6, 47, 94, 137, 141, 274, 282, 411, 547, 822, 1094, 1641, 3282, 6439, 12878, 19317, 25709, 38634, 51418, 74939, 77127, 149878, 154254, 224817, 449634, 3522133, 7044266, 10566399, 21132798]

約数ペア:

[(1, 21132798), (2, 10566399), (3, 7044266), (6, 3522133), (47, 449634), (94, 224817), (137, 154254), (141, 149878), (274, 77127), (282, 74939), (411, 51418), (547, 38634), (822, 25709), (1094, 19317), (1641, 12878), (3282, 6439)]