21403668

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12473}}^1$

素因数の和:12504

約数の個数: 48

約数和(自身を含む): 58677696

約数和(自身を除く): 37274028

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 12473, 24946, 37419, 49892, 74838, 137203, 149676, 162149, 274406, 324298, 411609, 486447, 548812, 648596, 823218, 972894, 1646436, 1783639, 1945788, 3567278, 5350917, 7134556, 10701834, 21403668]

約数ペア:

[(1, 21403668), (2, 10701834), (3, 7134556), (4, 5350917), (6, 3567278), (11, 1945788), (12, 1783639), (13, 1646436), (22, 972894), (26, 823218), (33, 648596), (39, 548812), (44, 486447), (52, 411609), (66, 324298), (78, 274406), (132, 162149), (143, 149676), (156, 137203), (286, 74838), (429, 49892), (572, 37419), (858, 24946), (1716, 12473)]