21840633

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{379}}^1$

素因数の和:741

約数の個数: 24

約数和(自身を含む): 33394400

約数和(自身を除く): 11553767

約数列:

[1, 3, 9, 19, 57, 171, 337, 379, 1011, 1137, 3033, 3411, 6403, 7201, 19209, 21603, 57627, 64809, 127723, 383169, 1149507, 2426737, 7280211, 21840633]

約数ペア:

[(1, 21840633), (3, 7280211), (9, 2426737), (19, 1149507), (57, 383169), (171, 127723), (337, 64809), (379, 57627), (1011, 21603), (1137, 19209), (3033, 7201), (3411, 6403)]