210672021

素因数分解:

$3^1\times 7^2\times {\mathrm{941}}^1\times {\mathrm{1523}}^1$

素因数の和:2481

約数の個数: 24

約数和(自身を含む): 327318624

約数和(自身を除く): 116646603

約数列:

[1, 3, 7, 21, 49, 147, 941, 1523, 2823, 4569, 6587, 10661, 19761, 31983, 46109, 74627, 138327, 223881, 1433143, 4299429, 10032001, 30096003, 70224007, 210672021]

約数ペア:

[(1, 210672021), (3, 70224007), (7, 30096003), (21, 10032001), (49, 4299429), (147, 1433143), (941, 223881), (1523, 138327), (2823, 74627), (4569, 46109), (6587, 31983), (10661, 19761)]