21074018

素因数分解:

$2^1\times 7^2\times {\mathrm{359}}^1\times {\mathrm{599}}^1$

素因数の和:974

約数の個数: 24

約数和(自身を含む): 36936000

約数和(自身を除く): 15861982

約数列:

[1, 2, 7, 14, 49, 98, 359, 599, 718, 1198, 2513, 4193, 5026, 8386, 17591, 29351, 35182, 58702, 215041, 430082, 1505287, 3010574, 10537009, 21074018]

約数ペア:

[(1, 21074018), (2, 10537009), (7, 3010574), (14, 1505287), (49, 430082), (98, 215041), (359, 58702), (599, 35182), (718, 29351), (1198, 17591), (2513, 8386), (4193, 5026)]