21975768

素因数分解:

$2^3\times 3^2\times {\mathrm{305219}}^1$

素因数の和:305231

約数の個数: 24

約数和(自身を含む): 59517900

約数和(自身を除く): 37542132

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 305219, 610438, 915657, 1220876, 1831314, 2441752, 2746971, 3662628, 5493942, 7325256, 10987884, 21975768]

約数ペア:

[(1, 21975768), (2, 10987884), (3, 7325256), (4, 5493942), (6, 3662628), (8, 2746971), (9, 2441752), (12, 1831314), (18, 1220876), (24, 915657), (36, 610438), (72, 305219)]