21152043

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{311}}^1$

素因数の和:560

約数の個数: 32

約数和(自身を含む): 34444800

約数和(自身を除く): 13292757

約数列:

[1, 3, 9, 11, 27, 33, 99, 229, 297, 311, 687, 933, 2061, 2519, 2799, 3421, 6183, 7557, 8397, 10263, 22671, 30789, 68013, 71219, 92367, 213657, 640971, 783409, 1922913, 2350227, 7050681, 21152043]

約数ペア:

[(1, 21152043), (3, 7050681), (9, 2350227), (11, 1922913), (27, 783409), (33, 640971), (99, 213657), (229, 92367), (297, 71219), (311, 68013), (687, 30789), (933, 22671), (2061, 10263), (2519, 8397), (2799, 7557), (3421, 6183)]