21000944835

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4523}}^1\times {\mathrm{7937}}^1$

素因数の和:12484

約数の個数: 48

約数和(自身を含む): 39215371104

約数和(自身を除く): 18214426269

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 4523, 7937, 13569, 22615, 23811, 39685, 40707, 58799, 67845, 71433, 103181, 119055, 176397, 203535, 293995, 309543, 357165, 515905, 529191, 881985, 928629, 1547715, 2645955, 4643145, 35899051, 107697153, 179495255, 323091459, 466687663, 538485765, 1400062989, 1615457295, 2333438315, 4200188967, 7000314945, 21000944835]

約数ペア:

[(1, 21000944835), (3, 7000314945), (5, 4200188967), (9, 2333438315), (13, 1615457295), (15, 1400062989), (39, 538485765), (45, 466687663), (65, 323091459), (117, 179495255), (195, 107697153), (585, 35899051), (4523, 4643145), (7937, 2645955), (13569, 1547715), (22615, 928629), (23811, 881985), (39685, 529191), (40707, 515905), (58799, 357165), (67845, 309543), (71433, 293995), (103181, 203535), (119055, 176397)]