21470936

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{641}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 41601600

約数和(自身を除く): 20130664

約数列:

[1, 2, 4, 8, 53, 79, 106, 158, 212, 316, 424, 632, 641, 1282, 2564, 4187, 5128, 8374, 16748, 33496, 33973, 50639, 67946, 101278, 135892, 202556, 271784, 405112, 2683867, 5367734, 10735468, 21470936]

約数ペア:

[(1, 21470936), (2, 10735468), (4, 5367734), (8, 2683867), (53, 405112), (79, 271784), (106, 202556), (158, 135892), (212, 101278), (316, 67946), (424, 50639), (632, 33973), (641, 33496), (1282, 16748), (2564, 8374), (4187, 5128)]