21255090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{3671}}^1$

素因数の和:3874

約数の個数: 32

約数和(自身を含む): 51290496

約数和(自身を除く): 30035406

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 193, 386, 579, 965, 1158, 1930, 2895, 3671, 5790, 7342, 11013, 18355, 22026, 36710, 55065, 110130, 708503, 1417006, 2125509, 3542515, 4251018, 7085030, 10627545, 21255090]

約数ペア:

[(1, 21255090), (2, 10627545), (3, 7085030), (5, 4251018), (6, 3542515), (10, 2125509), (15, 1417006), (30, 708503), (193, 110130), (386, 55065), (579, 36710), (965, 22026), (1158, 18355), (1930, 11013), (2895, 7342), (3671, 5790)]