21654486

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{57287}}^1$

素因数の和:57305

約数の個数: 32

約数和(自身を含む): 54996480

約数和(自身を除く): 33341994

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 57287, 114574, 171861, 343722, 401009, 515583, 802018, 1031166, 1203027, 1546749, 2406054, 3093498, 3609081, 7218162, 10827243, 21654486]

約数ペア:

[(1, 21654486), (2, 10827243), (3, 7218162), (6, 3609081), (7, 3093498), (9, 2406054), (14, 1546749), (18, 1203027), (21, 1031166), (27, 802018), (42, 515583), (54, 401009), (63, 343722), (126, 171861), (189, 114574), (378, 57287)]