21423501

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1361}}^1$

素因数の和:1434

約数の個数: 32

約数和(自身を含む): 35303040

約数和(自身を除く): 13879539

約数列:

[1, 3, 9, 11, 27, 33, 53, 99, 159, 297, 477, 583, 1361, 1431, 1749, 4083, 5247, 12249, 14971, 15741, 36747, 44913, 72133, 134739, 216399, 404217, 649197, 793463, 1947591, 2380389, 7141167, 21423501]

約数ペア:

[(1, 21423501), (3, 7141167), (9, 2380389), (11, 1947591), (27, 793463), (33, 649197), (53, 404217), (99, 216399), (159, 134739), (297, 72133), (477, 44913), (583, 36747), (1361, 15741), (1431, 14971), (1749, 12249), (4083, 5247)]