21000565452

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{465067}}^1$

素因数の和:465198

約数の個数: 48

約数和(自身を含む): 50629162752

約数和(自身を除く): 29628597300

約数列:

[1, 2, 3, 4, 6, 12, 53, 71, 106, 142, 159, 212, 213, 284, 318, 426, 636, 852, 3763, 7526, 11289, 15052, 22578, 45156, 465067, 930134, 1395201, 1860268, 2790402, 5580804, 24648551, 33019757, 49297102, 66039514, 73945653, 98594204, 99059271, 132079028, 147891306, 198118542, 295782612, 396237084, 1750047121, 3500094242, 5250141363, 7000188484, 10500282726, 21000565452]

約数ペア:

[(1, 21000565452), (2, 10500282726), (3, 7000188484), (4, 5250141363), (6, 3500094242), (12, 1750047121), (53, 396237084), (71, 295782612), (106, 198118542), (142, 147891306), (159, 132079028), (212, 99059271), (213, 98594204), (284, 73945653), (318, 66039514), (426, 49297102), (636, 33019757), (852, 24648551), (3763, 5580804), (7526, 2790402), (11289, 1860268), (15052, 1395201), (22578, 930134), (45156, 465067)]