21931401605

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{379}}^1\times {\mathrm{32059}}^1$

素因数の和:32481

約数の個数: 24

約数和(自身を含む): 27849880800

約数和(自身を除く): 5918479195

約数列:

[1, 5, 19, 95, 361, 379, 1805, 1895, 7201, 32059, 36005, 136819, 160295, 609121, 684095, 3045605, 11573299, 12150361, 57866495, 60751805, 230856859, 1154284295, 4386280321, 21931401605]

約数ペア:

[(1, 21931401605), (5, 4386280321), (19, 1154284295), (95, 230856859), (361, 60751805), (379, 57866495), (1805, 12150361), (1895, 11573299), (7201, 3045605), (32059, 684095), (36005, 609121), (136819, 160295)]