21172426

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{22381}}^1$

素因数の和:22437

約数の個数: 16

約数和(自身を含む): 35453088

約数和(自身を除く): 14280662

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 22381, 44762, 246191, 492382, 962383, 1924766, 10586213, 21172426]

約数ペア:

[(1, 21172426), (2, 10586213), (11, 1924766), (22, 962383), (43, 492382), (86, 246191), (473, 44762), (946, 22381)]