21796872

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{21121}}^1$

素因数の和:21173

約数の個数: 32

約数和(自身を含む): 55762080

約数和(自身を除く): 33965208

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 21121, 42242, 63363, 84484, 126726, 168968, 253452, 506904, 908203, 1816406, 2724609, 3632812, 5449218, 7265624, 10898436, 21796872]

約数ペア:

[(1, 21796872), (2, 10898436), (3, 7265624), (4, 5449218), (6, 3632812), (8, 2724609), (12, 1816406), (24, 908203), (43, 506904), (86, 253452), (129, 168968), (172, 126726), (258, 84484), (344, 63363), (516, 42242), (1032, 21121)]