21567804531

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{751}}^1\times {\mathrm{1783}}^1$

素因数の和:2616

約数の個数: 64

約数和(自身を含む): 36061347840

約数和(自身を除く): 14493543309

約数列:

[1, 3, 7, 13, 21, 39, 59, 91, 177, 273, 413, 751, 767, 1239, 1783, 2253, 2301, 5257, 5349, 5369, 9763, 12481, 15771, 16107, 23179, 29289, 37443, 44309, 68341, 69537, 105197, 132927, 162253, 205023, 310163, 315591, 486759, 576017, 736379, 930489, 1339033, 1367561, 1728051, 2209137, 4017099, 4032119, 4102683, 9373231, 9572927, 12096357, 17407429, 28119693, 28718781, 52222287, 79002947, 121852003, 237008841, 365556009, 553020629, 1027038311, 1659061887, 3081114933, 7189268177, 21567804531]

約数ペア:

[(1, 21567804531), (3, 7189268177), (7, 3081114933), (13, 1659061887), (21, 1027038311), (39, 553020629), (59, 365556009), (91, 237008841), (177, 121852003), (273, 79002947), (413, 52222287), (751, 28718781), (767, 28119693), (1239, 17407429), (1783, 12096357), (2253, 9572927), (2301, 9373231), (5257, 4102683), (5349, 4032119), (5369, 4017099), (9763, 2209137), (12481, 1728051), (15771, 1367561), (16107, 1339033), (23179, 930489), (29289, 736379), (37443, 576017), (44309, 486759), (68341, 315591), (69537, 310163), (105197, 205023), (132927, 162253)]