21989328

素因数分解:

$2^4\times 3^1\times {\mathrm{181}}^1\times {\mathrm{2531}}^1$

素因数の和:2723

約数の個数: 40

約数和(自身を含む): 57142176

約数和(自身を除く): 35152848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 181, 362, 543, 724, 1086, 1448, 2172, 2531, 2896, 4344, 5062, 7593, 8688, 10124, 15186, 20248, 30372, 40496, 60744, 121488, 458111, 916222, 1374333, 1832444, 2748666, 3664888, 5497332, 7329776, 10994664, 21989328]

約数ペア:

[(1, 21989328), (2, 10994664), (3, 7329776), (4, 5497332), (6, 3664888), (8, 2748666), (12, 1832444), (16, 1374333), (24, 916222), (48, 458111), (181, 121488), (362, 60744), (543, 40496), (724, 30372), (1086, 20248), (1448, 15186), (2172, 10124), (2531, 8688), (2896, 7593), (4344, 5062)]