21633563

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{239}}^1$

素因数の和:506

約数の個数: 16

約数和(自身を含む): 25328640

約数和(自身を除く): 3695077

約数列:

[1, 7, 67, 193, 239, 469, 1351, 1673, 12931, 16013, 46127, 90517, 112091, 322889, 3090509, 21633563]

約数ペア:

[(1, 21633563), (7, 3090509), (67, 322889), (193, 112091), (239, 90517), (469, 46127), (1351, 16013), (1673, 12931)]