21552648

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1867}}^1$

素因数の和:1926

約数の個数: 64

約数和(自身を含む): 59626560

約数和(自身を除く): 38073912

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 37, 39, 52, 74, 78, 104, 111, 148, 156, 222, 296, 312, 444, 481, 888, 962, 1443, 1867, 1924, 2886, 3734, 3848, 5601, 5772, 7468, 11202, 11544, 14936, 22404, 24271, 44808, 48542, 69079, 72813, 97084, 138158, 145626, 194168, 207237, 276316, 291252, 414474, 552632, 582504, 828948, 898027, 1657896, 1796054, 2694081, 3592108, 5388162, 7184216, 10776324, 21552648]

約数ペア:

[(1, 21552648), (2, 10776324), (3, 7184216), (4, 5388162), (6, 3592108), (8, 2694081), (12, 1796054), (13, 1657896), (24, 898027), (26, 828948), (37, 582504), (39, 552632), (52, 414474), (74, 291252), (78, 276316), (104, 207237), (111, 194168), (148, 145626), (156, 138158), (222, 97084), (296, 72813), (312, 69079), (444, 48542), (481, 44808), (888, 24271), (962, 22404), (1443, 14936), (1867, 11544), (1924, 11202), (2886, 7468), (3734, 5772), (3848, 5601)]