21987678

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{1163}}^1$

素因数の和:1328

約数の個数: 32

約数和(自身を含む): 46262016

約数和(自身を除く): 24274338

約数列:

[1, 2, 3, 6, 23, 46, 69, 137, 138, 274, 411, 822, 1163, 2326, 3151, 3489, 6302, 6978, 9453, 18906, 26749, 53498, 80247, 159331, 160494, 318662, 477993, 955986, 3664613, 7329226, 10993839, 21987678]

約数ペア:

[(1, 21987678), (2, 10993839), (3, 7329226), (6, 3664613), (23, 955986), (46, 477993), (69, 318662), (137, 160494), (138, 159331), (274, 80247), (411, 53498), (822, 26749), (1163, 18906), (2326, 9453), (3151, 6978), (3489, 6302)]