21830523

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{337}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 34524672

約数和(自身を除く): 12694149

約数列:

[1, 3, 11, 13, 33, 39, 143, 151, 337, 429, 453, 1011, 1661, 1963, 3707, 4381, 4983, 5889, 11121, 13143, 21593, 48191, 50887, 64779, 144573, 152661, 559757, 661531, 1679271, 1984593, 7276841, 21830523]

約数ペア:

[(1, 21830523), (3, 7276841), (11, 1984593), (13, 1679271), (33, 661531), (39, 559757), (143, 152661), (151, 144573), (337, 64779), (429, 50887), (453, 48191), (1011, 21593), (1661, 13143), (1963, 11121), (3707, 5889), (4381, 4983)]