21655836

素因数分解:

$2^2\times 3^4\times {\mathrm{89}}^1\times {\mathrm{751}}^1$

素因数の和:856

約数の個数: 60

約数和(自身を含む): 57324960

約数和(自身を除く): 35669124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 89, 108, 162, 178, 267, 324, 356, 534, 751, 801, 1068, 1502, 1602, 2253, 2403, 3004, 3204, 4506, 4806, 6759, 7209, 9012, 9612, 13518, 14418, 20277, 27036, 28836, 40554, 60831, 66839, 81108, 121662, 133678, 200517, 243324, 267356, 401034, 601551, 802068, 1203102, 1804653, 2406204, 3609306, 5413959, 7218612, 10827918, 21655836]

約数ペア:

[(1, 21655836), (2, 10827918), (3, 7218612), (4, 5413959), (6, 3609306), (9, 2406204), (12, 1804653), (18, 1203102), (27, 802068), (36, 601551), (54, 401034), (81, 267356), (89, 243324), (108, 200517), (162, 133678), (178, 121662), (267, 81108), (324, 66839), (356, 60831), (534, 40554), (751, 28836), (801, 27036), (1068, 20277), (1502, 14418), (1602, 13518), (2253, 9612), (2403, 9012), (3004, 7209), (3204, 6759), (4506, 4806)]