21477856

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{11003}}^1$

素因数の和:11074

約数の個数: 24

約数和(自身を含む): 42981624

約数和(自身を除く): 21503768

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 488, 976, 1952, 11003, 22006, 44012, 88024, 176048, 352096, 671183, 1342366, 2684732, 5369464, 10738928, 21477856]

約数ペア:

[(1, 21477856), (2, 10738928), (4, 5369464), (8, 2684732), (16, 1342366), (32, 671183), (61, 352096), (122, 176048), (244, 88024), (488, 44012), (976, 22006), (1952, 11003)]