21481742

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{1237}}^1$

素因数の和:1715

約数の個数: 16

約数和(自身を含む): 34020240

約数和(自身を除く): 12538498

約数列:

[1, 2, 19, 38, 457, 914, 1237, 2474, 8683, 17366, 23503, 47006, 565309, 1130618, 10740871, 21481742]

約数ペア:

[(1, 21481742), (2, 10740871), (19, 1130618), (38, 565309), (457, 47006), (914, 23503), (1237, 17366), (2474, 8683)]