21937984

素因数分解:

$2^6\times {\mathrm{79}}^1\times {\mathrm{4339}}^1$

素因数の和:4430

約数の個数: 28

約数和(自身を含む): 44094400

約数和(自身を除く): 22156416

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 158, 316, 632, 1264, 2528, 4339, 5056, 8678, 17356, 34712, 69424, 138848, 277696, 342781, 685562, 1371124, 2742248, 5484496, 10968992, 21937984]

約数ペア:

[(1, 21937984), (2, 10968992), (4, 5484496), (8, 2742248), (16, 1371124), (32, 685562), (64, 342781), (79, 277696), (158, 138848), (316, 69424), (632, 34712), (1264, 17356), (2528, 8678), (4339, 5056)]