21477808

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{122033}}^1$

素因数の和:122052

約数の個数: 20

約数和(自身を含む): 45396648

約数和(自身を除く): 23918840

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 122033, 244066, 488132, 976264, 1342363, 1952528, 2684726, 5369452, 10738904, 21477808]

約数ペア:

[(1, 21477808), (2, 10738904), (4, 5369452), (8, 2684726), (11, 1952528), (16, 1342363), (22, 976264), (44, 488132), (88, 244066), (176, 122033)]