21035325

素因数分解:

$3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{2141}}^1$

素因数の和:2285

約数の個数: 24

約数和(自身を含む): 35060256

約数和(自身を除く): 14024931

約数列:

[1, 3, 5, 15, 25, 75, 131, 393, 655, 1965, 2141, 3275, 6423, 9825, 10705, 32115, 53525, 160575, 280471, 841413, 1402355, 4207065, 7011775, 21035325]

約数ペア:

[(1, 21035325), (3, 7011775), (5, 4207065), (15, 1402355), (25, 841413), (75, 280471), (131, 160575), (393, 53525), (655, 32115), (1965, 10705), (2141, 9825), (3275, 6423)]