21396670

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2269}}^1$

素因数の和:2340

約数の個数: 32

約数和(自身を含む): 41186880

約数和(自身を除く): 19790210

約数列:

[1, 2, 5, 10, 23, 41, 46, 82, 115, 205, 230, 410, 943, 1886, 2269, 4538, 4715, 9430, 11345, 22690, 52187, 93029, 104374, 186058, 260935, 465145, 521870, 930290, 2139667, 4279334, 10698335, 21396670]

約数ペア:

[(1, 21396670), (2, 10698335), (5, 4279334), (10, 2139667), (23, 930290), (41, 521870), (46, 465145), (82, 260935), (115, 186058), (205, 104374), (230, 93029), (410, 52187), (943, 22690), (1886, 11345), (2269, 9430), (4538, 4715)]