21065670

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{8669}}^1$

素因数の和:8691

約数の個数: 48

約数和(自身を含む): 56805840

約数和(自身を除く): 35740170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430, 8669, 17338, 26007, 43345, 52014, 78021, 86690, 130035, 156042, 234063, 260070, 390105, 468126, 702189, 780210, 1170315, 1404378, 2106567, 2340630, 3510945, 4213134, 7021890, 10532835, 21065670]

約数ペア:

[(1, 21065670), (2, 10532835), (3, 7021890), (5, 4213134), (6, 3510945), (9, 2340630), (10, 2106567), (15, 1404378), (18, 1170315), (27, 780210), (30, 702189), (45, 468126), (54, 390105), (81, 260070), (90, 234063), (135, 156042), (162, 130035), (243, 86690), (270, 78021), (405, 52014), (486, 43345), (810, 26007), (1215, 17338), (2430, 8669)]