21296913

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{2843}}^1$

素因数の和:3084

約数の個数: 16

約数和(自身を含む): 31124736

約数和(自身を除く): 9827823

約数列:

[1, 3, 11, 33, 227, 681, 2497, 2843, 7491, 8529, 31273, 93819, 645361, 1936083, 7098971, 21296913]

約数ペア:

[(1, 21296913), (3, 7098971), (11, 1936083), (33, 645361), (227, 93819), (681, 31273), (2497, 8529), (2843, 7491)]