21590214

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1249}}^1$

素因数の和:1364

約数の個数: 32

約数和(自身を含む): 44880000

約数和(自身を除く): 23289786

約数列:

[1, 2, 3, 6, 43, 67, 86, 129, 134, 201, 258, 402, 1249, 2498, 2881, 3747, 5762, 7494, 8643, 17286, 53707, 83683, 107414, 161121, 167366, 251049, 322242, 502098, 3598369, 7196738, 10795107, 21590214]

約数ペア:

[(1, 21590214), (2, 10795107), (3, 7196738), (6, 3598369), (43, 502098), (67, 322242), (86, 251049), (129, 167366), (134, 161121), (201, 107414), (258, 83683), (402, 53707), (1249, 17286), (2498, 8643), (2881, 7494), (3747, 5762)]