21630726

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{10271}}^1$

素因数の和:10298

約数の個数: 40

約数和(自身を含む): 52202304

約数和(自身を除く): 30571578

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 10271, 20542, 30813, 61626, 92439, 133523, 184878, 267046, 277317, 400569, 554634, 801138, 831951, 1201707, 1663902, 2403414, 3605121, 7210242, 10815363, 21630726]

約数ペア:

[(1, 21630726), (2, 10815363), (3, 7210242), (6, 3605121), (9, 2403414), (13, 1663902), (18, 1201707), (26, 831951), (27, 801138), (39, 554634), (54, 400569), (78, 277317), (81, 267046), (117, 184878), (162, 133523), (234, 92439), (351, 61626), (702, 30813), (1053, 20542), (2106, 10271)]