21058485

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{4093}}^1$

素因数の和:4122

約数の個数: 32

約数和(自身を含む): 39302400

約数和(自身を除く): 18243915

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 4093, 5145, 12279, 20465, 28651, 61395, 85953, 143255, 200557, 429765, 601671, 1002785, 1403899, 3008355, 4211697, 7019495, 21058485]

約数ペア:

[(1, 21058485), (3, 7019495), (5, 4211697), (7, 3008355), (15, 1403899), (21, 1002785), (35, 601671), (49, 429765), (105, 200557), (147, 143255), (245, 85953), (343, 61395), (735, 28651), (1029, 20465), (1715, 12279), (4093, 5145)]