21676046

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 38320128

約数和(自身を除く): 16644082

約数列:

[1, 2, 7, 14, 53, 106, 131, 223, 262, 371, 446, 742, 917, 1561, 1834, 3122, 6943, 11819, 13886, 23638, 29213, 48601, 58426, 82733, 97202, 165466, 204491, 408982, 1548289, 3096578, 10838023, 21676046]

約数ペア:

[(1, 21676046), (2, 10838023), (7, 3096578), (14, 1548289), (53, 408982), (106, 204491), (131, 165466), (223, 97202), (262, 82733), (371, 58426), (446, 48601), (742, 29213), (917, 23638), (1561, 13886), (1834, 11819), (3122, 6943)]