21000630

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{100003}}^1$

素因数の和:100020

約数の個数: 32

約数和(自身を含む): 57602304

約数和(自身を除く): 36601674

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 100003, 200006, 300009, 500015, 600018, 700021, 1000030, 1400042, 1500045, 2100063, 3000090, 3500105, 4200126, 7000210, 10500315, 21000630]

約数ペア:

[(1, 21000630), (2, 10500315), (3, 7000210), (5, 4200126), (6, 3500105), (7, 3000090), (10, 2100063), (14, 1500045), (15, 1400042), (21, 1000030), (30, 700021), (35, 600018), (42, 500015), (70, 300009), (105, 200006), (210, 100003)]