21502351491

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{907}}^1\times {\mathrm{111301}}^1$

素因数の和:112282

約数の個数: 16

約数和(自身を含む): 29105918208

約数和(自身を除く): 7603566717

約数列:

[1, 3, 71, 213, 907, 2721, 64397, 111301, 193191, 333903, 7902371, 23707113, 100950007, 302850021, 7167450497, 21502351491]

約数ペア:

[(1, 21502351491), (3, 7167450497), (71, 302850021), (213, 100950007), (907, 23707113), (2721, 7902371), (64397, 333903), (111301, 193191)]