21727833025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{827}}^1\times {\mathrm{61819}}^1$

素因数の和:62673

約数の個数: 24

約数和(自身を含む): 28562323680

約数和(自身を除く): 6834490655

約数列:

[1, 5, 17, 25, 85, 425, 827, 4135, 14059, 20675, 61819, 70295, 309095, 351475, 1050923, 1545475, 5254615, 26273075, 51124313, 255621565, 869113321, 1278107825, 4345566605, 21727833025]

約数ペア:

[(1, 21727833025), (5, 4345566605), (17, 1278107825), (25, 869113321), (85, 255621565), (425, 51124313), (827, 26273075), (4135, 5254615), (14059, 1545475), (20675, 1050923), (61819, 351475), (70295, 309095)]