21272610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{787}}^1$

素因数の和:867

約数の個数: 64

約数和(自身を含む): 55147392

約数和(自身を除く): 33874782

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 53, 85, 102, 106, 159, 170, 255, 265, 318, 510, 530, 787, 795, 901, 1574, 1590, 1802, 2361, 2703, 3935, 4505, 4722, 5406, 7870, 9010, 11805, 13379, 13515, 23610, 26758, 27030, 40137, 41711, 66895, 80274, 83422, 125133, 133790, 200685, 208555, 250266, 401370, 417110, 625665, 709087, 1251330, 1418174, 2127261, 3545435, 4254522, 7090870, 10636305, 21272610]

約数ペア:

[(1, 21272610), (2, 10636305), (3, 7090870), (5, 4254522), (6, 3545435), (10, 2127261), (15, 1418174), (17, 1251330), (30, 709087), (34, 625665), (51, 417110), (53, 401370), (85, 250266), (102, 208555), (106, 200685), (159, 133790), (170, 125133), (255, 83422), (265, 80274), (318, 66895), (510, 41711), (530, 40137), (787, 27030), (795, 26758), (901, 23610), (1574, 13515), (1590, 13379), (1802, 11805), (2361, 9010), (2703, 7870), (3935, 5406), (4505, 4722)]