21283848

素因数分解:

$2^3\times 3^2\times {\mathrm{487}}^1\times {\mathrm{607}}^1$

素因数の和:1106

約数の個数: 48

約数和(自身を含む): 57857280

約数和(自身を除く): 36573432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 487, 607, 974, 1214, 1461, 1821, 1948, 2428, 2922, 3642, 3896, 4383, 4856, 5463, 5844, 7284, 8766, 10926, 11688, 14568, 17532, 21852, 35064, 43704, 295609, 591218, 886827, 1182436, 1773654, 2364872, 2660481, 3547308, 5320962, 7094616, 10641924, 21283848]

約数ペア:

[(1, 21283848), (2, 10641924), (3, 7094616), (4, 5320962), (6, 3547308), (8, 2660481), (9, 2364872), (12, 1773654), (18, 1182436), (24, 886827), (36, 591218), (72, 295609), (487, 43704), (607, 35064), (974, 21852), (1214, 17532), (1461, 14568), (1821, 11688), (1948, 10926), (2428, 8766), (2922, 7284), (3642, 5844), (3896, 5463), (4383, 4856)]