21717752

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:396

約数の個数: 64

約数和(自身を含む): 49420800

約数和(自身を除く): 27703048

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 43, 56, 58, 86, 116, 172, 203, 232, 301, 311, 344, 406, 602, 622, 812, 1204, 1244, 1247, 1624, 2177, 2408, 2488, 2494, 4354, 4988, 8708, 8729, 9019, 9976, 13373, 17416, 17458, 18038, 26746, 34916, 36076, 53492, 63133, 69832, 72152, 93611, 106984, 126266, 187222, 252532, 374444, 387817, 505064, 748888, 775634, 1551268, 2714719, 3102536, 5429438, 10858876, 21717752]

約数ペア:

[(1, 21717752), (2, 10858876), (4, 5429438), (7, 3102536), (8, 2714719), (14, 1551268), (28, 775634), (29, 748888), (43, 505064), (56, 387817), (58, 374444), (86, 252532), (116, 187222), (172, 126266), (203, 106984), (232, 93611), (301, 72152), (311, 69832), (344, 63133), (406, 53492), (602, 36076), (622, 34916), (812, 26746), (1204, 18038), (1244, 17458), (1247, 17416), (1624, 13373), (2177, 9976), (2408, 9019), (2488, 8729), (2494, 8708), (4354, 4988)]