21684824

素因数分解:

$2^3\times 7^1\times {\mathrm{593}}^1\times {\mathrm{653}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 46617120

約数和(自身を除く): 24932296

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 593, 653, 1186, 1306, 2372, 2612, 4151, 4571, 4744, 5224, 8302, 9142, 16604, 18284, 33208, 36568, 387229, 774458, 1548916, 2710603, 3097832, 5421206, 10842412, 21684824]

約数ペア:

[(1, 21684824), (2, 10842412), (4, 5421206), (7, 3097832), (8, 2710603), (14, 1548916), (28, 774458), (56, 387229), (593, 36568), (653, 33208), (1186, 18284), (1306, 16604), (2372, 9142), (2612, 8302), (4151, 5224), (4571, 4744)]