21566007

素因数分解:

$3^8\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:216

約数の個数: 36

約数和(自身を含む): 34246680

約数和(自身を除く): 12680673

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 173, 243, 513, 519, 729, 1539, 1557, 2187, 3287, 4617, 4671, 6561, 9861, 13851, 14013, 29583, 41553, 42039, 88749, 124659, 126117, 266247, 378351, 798741, 1135053, 2396223, 7188669, 21566007]

約数ペア:

[(1, 21566007), (3, 7188669), (9, 2396223), (19, 1135053), (27, 798741), (57, 378351), (81, 266247), (171, 126117), (173, 124659), (243, 88749), (513, 42039), (519, 41553), (729, 29583), (1539, 14013), (1557, 13851), (2187, 9861), (3287, 6561), (4617, 4671)]