21811832

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{7349}}^1$

素因数の和:7415

約数の個数: 32

約数和(自身を含む): 47628000

約数和(自身を除く): 25816168

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 7349, 14698, 29396, 51443, 58792, 102886, 205772, 389497, 411544, 778994, 1557988, 2726479, 3115976, 5452958, 10905916, 21811832]

約数ペア:

[(1, 21811832), (2, 10905916), (4, 5452958), (7, 3115976), (8, 2726479), (14, 1557988), (28, 778994), (53, 411544), (56, 389497), (106, 205772), (212, 102886), (371, 58792), (424, 51443), (742, 29396), (1484, 14698), (2968, 7349)]