21728894

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{229}}^1$

素因数の和:488

約数の個数: 32

約数和(自身を含む): 37756800

約数和(自身を除く): 16027906

約数列:

[1, 2, 11, 19, 22, 38, 209, 227, 229, 418, 454, 458, 2497, 2519, 4313, 4351, 4994, 5038, 8626, 8702, 47443, 47861, 51983, 94886, 95722, 103966, 571813, 987677, 1143626, 1975354, 10864447, 21728894]

約数ペア:

[(1, 21728894), (2, 10864447), (11, 1975354), (19, 1143626), (22, 987677), (38, 571813), (209, 103966), (227, 95722), (229, 94886), (418, 51983), (454, 47861), (458, 47443), (2497, 8702), (2519, 8626), (4313, 5038), (4351, 4994)]