21927633

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2591}}^1$

素因数の和:2645

約数の個数: 32

約数和(自身を含む): 37158912

約数和(自身を除く): 15231279

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 2591, 2821, 7773, 8463, 18137, 33683, 54411, 80321, 101049, 235781, 240963, 562247, 707343, 1044173, 1686741, 3132519, 7309211, 21927633]

約数ペア:

[(1, 21927633), (3, 7309211), (7, 3132519), (13, 1686741), (21, 1044173), (31, 707343), (39, 562247), (91, 240963), (93, 235781), (217, 101049), (273, 80321), (403, 54411), (651, 33683), (1209, 18137), (2591, 8463), (2821, 7773)]