21497808

素因数分解:

$2^4\times 3^1\times {\mathrm{227}}^1\times {\mathrm{1973}}^1$

素因数の和:2211

約数の個数: 40

約数和(自身を含む): 55808928

約数和(自身を除く): 34311120

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 227, 454, 681, 908, 1362, 1816, 1973, 2724, 3632, 3946, 5448, 5919, 7892, 10896, 11838, 15784, 23676, 31568, 47352, 94704, 447871, 895742, 1343613, 1791484, 2687226, 3582968, 5374452, 7165936, 10748904, 21497808]

約数ペア:

[(1, 21497808), (2, 10748904), (3, 7165936), (4, 5374452), (6, 3582968), (8, 2687226), (12, 1791484), (16, 1343613), (24, 895742), (48, 447871), (227, 94704), (454, 47352), (681, 31568), (908, 23676), (1362, 15784), (1816, 11838), (1973, 10896), (2724, 7892), (3632, 5919), (3946, 5448)]