21508100

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{5813}}^1$

素因数の和:5864

約数の個数: 36

約数和(自身を含む): 47942244

約数和(自身を除く): 26434144

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 148, 185, 370, 740, 925, 1850, 3700, 5813, 11626, 23252, 29065, 58130, 116260, 145325, 215081, 290650, 430162, 581300, 860324, 1075405, 2150810, 4301620, 5377025, 10754050, 21508100]

約数ペア:

[(1, 21508100), (2, 10754050), (4, 5377025), (5, 4301620), (10, 2150810), (20, 1075405), (25, 860324), (37, 581300), (50, 430162), (74, 290650), (100, 215081), (148, 145325), (185, 116260), (370, 58130), (740, 29065), (925, 23252), (1850, 11626), (3700, 5813)]