21935025

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{733}}^1$

素因数の和:775

約数の個数: 72

約数和(自身を含む): 47328320

約数和(自身を除く): 25393295

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 35, 45, 57, 63, 75, 95, 105, 133, 171, 175, 225, 285, 315, 399, 475, 525, 665, 733, 855, 1197, 1425, 1575, 1995, 2199, 3325, 3665, 4275, 5131, 5985, 6597, 9975, 10995, 13927, 15393, 18325, 25655, 29925, 32985, 41781, 46179, 54975, 69635, 76965, 97489, 125343, 128275, 164925, 208905, 230895, 292467, 348175, 384825, 487445, 626715, 877401, 1044525, 1154475, 1462335, 2437225, 3133575, 4387005, 7311675, 21935025]

約数ペア:

[(1, 21935025), (3, 7311675), (5, 4387005), (7, 3133575), (9, 2437225), (15, 1462335), (19, 1154475), (21, 1044525), (25, 877401), (35, 626715), (45, 487445), (57, 384825), (63, 348175), (75, 292467), (95, 230895), (105, 208905), (133, 164925), (171, 128275), (175, 125343), (225, 97489), (285, 76965), (315, 69635), (399, 54975), (475, 46179), (525, 41781), (665, 32985), (733, 29925), (855, 25655), (1197, 18325), (1425, 15393), (1575, 13927), (1995, 10995), (2199, 9975), (3325, 6597), (3665, 5985), (4275, 5131)]