21911568

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{65213}}^1$

素因数の和:65231

約数の個数: 40

約数和(自身を含む): 64692288

約数和(自身を除く): 42780720

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 65213, 130426, 195639, 260852, 391278, 456491, 521704, 782556, 912982, 1043408, 1369473, 1565112, 1825964, 2738946, 3130224, 3651928, 5477892, 7303856, 10955784, 21911568]

約数ペア:

[(1, 21911568), (2, 10955784), (3, 7303856), (4, 5477892), (6, 3651928), (7, 3130224), (8, 2738946), (12, 1825964), (14, 1565112), (16, 1369473), (21, 1043408), (24, 912982), (28, 782556), (42, 521704), (48, 456491), (56, 391278), (84, 260852), (112, 195639), (168, 130426), (336, 65213)]