21805112

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{9497}}^1$

素因数の和:9551

約数の個数: 32

約数和(自身を含む): 47869920

約数和(自身を除く): 26064808

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 9497, 18994, 37988, 66479, 75976, 132958, 265916, 389377, 531832, 778754, 1557508, 2725639, 3115016, 5451278, 10902556, 21805112]

約数ペア:

[(1, 21805112), (2, 10902556), (4, 5451278), (7, 3115016), (8, 2725639), (14, 1557508), (28, 778754), (41, 531832), (56, 389377), (82, 265916), (164, 132958), (287, 75976), (328, 66479), (574, 37988), (1148, 18994), (2296, 9497)]