21214384

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{443}}^1$

素因数の和:565

約数の個数: 40

約数和(自身を含む): 42778512

約数和(自身を除く): 21564128

約数列:

[1, 2, 4, 8, 16, 41, 73, 82, 146, 164, 292, 328, 443, 584, 656, 886, 1168, 1772, 2993, 3544, 5986, 7088, 11972, 18163, 23944, 32339, 36326, 47888, 64678, 72652, 129356, 145304, 258712, 290608, 517424, 1325899, 2651798, 5303596, 10607192, 21214384]

約数ペア:

[(1, 21214384), (2, 10607192), (4, 5303596), (8, 2651798), (16, 1325899), (41, 517424), (73, 290608), (82, 258712), (146, 145304), (164, 129356), (292, 72652), (328, 64678), (443, 47888), (584, 36326), (656, 32339), (886, 23944), (1168, 18163), (1772, 11972), (2993, 7088), (3544, 5986)]