21502041

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{4373}}^1$

素因数の和:4536

約数の個数: 16

約数和(自身を含む): 31492800

約数和(自身を除く): 9990759

約数列:

[1, 3, 11, 33, 149, 447, 1639, 4373, 4917, 13119, 48103, 144309, 651577, 1954731, 7167347, 21502041]

約数ペア:

[(1, 21502041), (3, 7167347), (11, 1954731), (33, 651577), (149, 144309), (447, 48103), (1639, 13119), (4373, 4917)]