21036984

素因数分解:

$2^3\times 3^1\times {\mathrm{113}}^1\times {\mathrm{7757}}^1$

素因数の和:7879

約数の個数: 32

約数和(自身を含む): 53064720

約数和(自身を除く): 32027736

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 113, 226, 339, 452, 678, 904, 1356, 2712, 7757, 15514, 23271, 31028, 46542, 62056, 93084, 186168, 876541, 1753082, 2629623, 3506164, 5259246, 7012328, 10518492, 21036984]

約数ペア:

[(1, 21036984), (2, 10518492), (3, 7012328), (4, 5259246), (6, 3506164), (8, 2629623), (12, 1753082), (24, 876541), (113, 186168), (226, 93084), (339, 62056), (452, 46542), (678, 31028), (904, 23271), (1356, 15514), (2712, 7757)]