21953640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1619}}^1$

素因数の和:1746

約数の個数: 64

約数和(自身を含む): 66484800

約数和(自身を除く): 44531160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 113, 120, 226, 339, 452, 565, 678, 904, 1130, 1356, 1619, 1695, 2260, 2712, 3238, 3390, 4520, 4857, 6476, 6780, 8095, 9714, 12952, 13560, 16190, 19428, 24285, 32380, 38856, 48570, 64760, 97140, 182947, 194280, 365894, 548841, 731788, 914735, 1097682, 1463576, 1829470, 2195364, 2744205, 3658940, 4390728, 5488410, 7317880, 10976820, 21953640]

約数ペア:

[(1, 21953640), (2, 10976820), (3, 7317880), (4, 5488410), (5, 4390728), (6, 3658940), (8, 2744205), (10, 2195364), (12, 1829470), (15, 1463576), (20, 1097682), (24, 914735), (30, 731788), (40, 548841), (60, 365894), (113, 194280), (120, 182947), (226, 97140), (339, 64760), (452, 48570), (565, 38856), (678, 32380), (904, 24285), (1130, 19428), (1356, 16190), (1619, 13560), (1695, 12952), (2260, 9714), (2712, 8095), (3238, 6780), (3390, 6476), (4520, 4857)]