21737338

素因数分解:

$2^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{3911}}^1$

素因数の和:4317

約数の個数: 16

約数和(自身を含む): 37367424

約数和(自身を除く): 15630086

約数列:

[1, 2, 7, 14, 397, 794, 2779, 3911, 5558, 7822, 27377, 54754, 1552667, 3105334, 10868669, 21737338]

約数ペア:

[(1, 21737338), (2, 10868669), (7, 3105334), (14, 1552667), (397, 54754), (794, 27377), (2779, 7822), (3911, 5558)]