21687224

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1381}}^1$

素因数の和:1551

約数の個数: 32

約数和(自身を含む): 44113440

約数和(自身を除く): 22426216

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 151, 302, 604, 1208, 1381, 1963, 2762, 3926, 5524, 7852, 11048, 15704, 17953, 35906, 71812, 143624, 208531, 417062, 834124, 1668248, 2710903, 5421806, 10843612, 21687224]

約数ペア:

[(1, 21687224), (2, 10843612), (4, 5421806), (8, 2710903), (13, 1668248), (26, 834124), (52, 417062), (104, 208531), (151, 143624), (302, 71812), (604, 35906), (1208, 17953), (1381, 15704), (1963, 11048), (2762, 7852), (3926, 5524)]