21358269795

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{7907}}^1$

素因数の和:8140

約数の個数: 64

約数和(自身を含む): 36464357376

約数和(自身を除く): 15106087581

約数列:

[1, 3, 5, 15, 31, 37, 93, 111, 155, 157, 185, 465, 471, 555, 785, 1147, 2355, 3441, 4867, 5735, 5809, 7907, 14601, 17205, 17427, 23721, 24335, 29045, 39535, 73005, 87135, 118605, 180079, 245117, 292559, 540237, 735351, 877677, 900395, 1225585, 1241399, 1462795, 2701185, 3676755, 3724197, 4388385, 6206995, 9069329, 18620985, 27207987, 38483369, 45346645, 45931763, 115450107, 136039935, 137795289, 192416845, 229658815, 577250535, 688976445, 1423884653, 4271653959, 7119423265, 21358269795]

約数ペア:

[(1, 21358269795), (3, 7119423265), (5, 4271653959), (15, 1423884653), (31, 688976445), (37, 577250535), (93, 229658815), (111, 192416845), (155, 137795289), (157, 136039935), (185, 115450107), (465, 45931763), (471, 45346645), (555, 38483369), (785, 27207987), (1147, 18620985), (2355, 9069329), (3441, 6206995), (4867, 4388385), (5735, 3724197), (5809, 3676755), (7907, 2701185), (14601, 1462795), (17205, 1241399), (17427, 1225585), (23721, 900395), (24335, 877677), (29045, 735351), (39535, 540237), (73005, 292559), (87135, 245117), (118605, 180079)]