21303684

素因数分解:

$2^2\times 3^2\times {\mathrm{151}}^1\times {\mathrm{3919}}^1$

素因数の和:4080

約数の個数: 36

約数和(自身を含む): 54221440

約数和(自身を除く): 32917756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 151, 302, 453, 604, 906, 1359, 1812, 2718, 3919, 5436, 7838, 11757, 15676, 23514, 35271, 47028, 70542, 141084, 591769, 1183538, 1775307, 2367076, 3550614, 5325921, 7101228, 10651842, 21303684]

約数ペア:

[(1, 21303684), (2, 10651842), (3, 7101228), (4, 5325921), (6, 3550614), (9, 2367076), (12, 1775307), (18, 1183538), (36, 591769), (151, 141084), (302, 70542), (453, 47028), (604, 35271), (906, 23514), (1359, 15676), (1812, 11757), (2718, 7838), (3919, 5436)]