21252601

素因数分解:

${\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:528

約数の個数: 16

約数和(自身を含む): 23383296

約数和(自身を除く): 2130695

約数列:

[1, 17, 47, 67, 397, 799, 1139, 3149, 6749, 18659, 26599, 53533, 317203, 452183, 1250153, 21252601]

約数ペア:

[(1, 21252601), (17, 1250153), (47, 452183), (67, 317203), (397, 53533), (799, 26599), (1139, 18659), (3149, 6749)]