21347224

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1759}}^1$

素因数の和:1843

約数の個数: 32

約数和(自身を含む): 42134400

約数和(自身を除く): 20787176

約数列:

[1, 2, 4, 8, 37, 41, 74, 82, 148, 164, 296, 328, 1517, 1759, 3034, 3518, 6068, 7036, 12136, 14072, 65083, 72119, 130166, 144238, 260332, 288476, 520664, 576952, 2668403, 5336806, 10673612, 21347224]

約数ペア:

[(1, 21347224), (2, 10673612), (4, 5336806), (8, 2668403), (37, 576952), (41, 520664), (74, 288476), (82, 260332), (148, 144238), (164, 130166), (296, 72119), (328, 65083), (1517, 14072), (1759, 12136), (3034, 7036), (3518, 6068)]