21674072

素因数分解:

$2^3\times 7^2\times {\mathrm{55291}}^1$

素因数の和:55311

約数の個数: 24

約数和(自身を含む): 47274660

約数和(自身を除く): 25600588

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 55291, 110582, 221164, 387037, 442328, 774074, 1548148, 2709259, 3096296, 5418518, 10837036, 21674072]

約数ペア:

[(1, 21674072), (2, 10837036), (4, 5418518), (7, 3096296), (8, 2709259), (14, 1548148), (28, 774074), (49, 442328), (56, 387037), (98, 221164), (196, 110582), (392, 55291)]