21312088

素因数分解:

$2^3\times 7^1\times {\mathrm{431}}^1\times {\mathrm{883}}^1$

素因数の和:1327

約数の個数: 32

約数和(自身を含む): 45826560

約数和(自身を除く): 24514472

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 431, 862, 883, 1724, 1766, 3017, 3448, 3532, 6034, 6181, 7064, 12068, 12362, 24136, 24724, 49448, 380573, 761146, 1522292, 2664011, 3044584, 5328022, 10656044, 21312088]

約数ペア:

[(1, 21312088), (2, 10656044), (4, 5328022), (7, 3044584), (8, 2664011), (14, 1522292), (28, 761146), (56, 380573), (431, 49448), (862, 24724), (883, 24136), (1724, 12362), (1766, 12068), (3017, 7064), (3448, 6181), (3532, 6034)]