21000273858

素因数分解:

$2^1\times 3^2\times {\mathrm{7321}}^1\times {\mathrm{159361}}^1$

素因数の和:166690

約数の個数: 24

約数和(自身を含む): 45507093996

約数和(自身を除く): 24506820138

約数列:

[1, 2, 3, 6, 9, 18, 7321, 14642, 21963, 43926, 65889, 131778, 159361, 318722, 478083, 956166, 1434249, 2868498, 1166681881, 2333363762, 3500045643, 7000091286, 10500136929, 21000273858]

約数ペア:

[(1, 21000273858), (2, 10500136929), (3, 7000091286), (6, 3500045643), (9, 2333363762), (18, 1166681881), (7321, 2868498), (14642, 1434249), (21963, 956166), (43926, 478083), (65889, 318722), (131778, 159361)]