21708960426

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{547957}}^1$

素因数の和:548067

約数の個数: 48

約数和(自身を含む): 49237314048

約数和(自身を除く): 27528353622

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 71, 93, 142, 186, 213, 279, 426, 558, 639, 1278, 2201, 4402, 6603, 13206, 19809, 39618, 547957, 1095914, 1643871, 3287742, 4931613, 9863226, 16986667, 33973334, 38904947, 50960001, 77809894, 101920002, 116714841, 152880003, 233429682, 305760006, 350144523, 700289046, 1206053357, 2412106714, 3618160071, 7236320142, 10854480213, 21708960426]

約数ペア:

[(1, 21708960426), (2, 10854480213), (3, 7236320142), (6, 3618160071), (9, 2412106714), (18, 1206053357), (31, 700289046), (62, 350144523), (71, 305760006), (93, 233429682), (142, 152880003), (186, 116714841), (213, 101920002), (279, 77809894), (426, 50960001), (558, 38904947), (639, 33973334), (1278, 16986667), (2201, 9863226), (4402, 4931613), (6603, 3287742), (13206, 1643871), (19809, 1095914), (39618, 547957)]