21062206

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:480

約数の個数: 32

約数和(自身を含む): 36080640

約数和(自身を除く): 15018434

約数列:

[1, 2, 11, 22, 31, 62, 89, 178, 341, 347, 682, 694, 979, 1958, 2759, 3817, 5518, 7634, 10757, 21514, 30349, 30883, 60698, 61766, 118327, 236654, 339713, 679426, 957373, 1914746, 10531103, 21062206]

約数ペア:

[(1, 21062206), (2, 10531103), (11, 1914746), (22, 957373), (31, 679426), (62, 339713), (89, 236654), (178, 118327), (341, 61766), (347, 60698), (682, 30883), (694, 30349), (979, 21514), (1958, 10757), (2759, 7634), (3817, 5518)]