21824985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 43868160

約数和(自身を除く): 22043175

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 59, 65, 91, 105, 177, 195, 271, 273, 295, 413, 455, 767, 813, 885, 1239, 1355, 1365, 1897, 2065, 2301, 3523, 3835, 4065, 5369, 5691, 6195, 9485, 10569, 11505, 15989, 16107, 17615, 24661, 26845, 28455, 47967, 52845, 73983, 79945, 80535, 111923, 123305, 207857, 239835, 335769, 369915, 559615, 623571, 1039285, 1454999, 1678845, 3117855, 4364997, 7274995, 21824985]

約数ペア:

[(1, 21824985), (3, 7274995), (5, 4364997), (7, 3117855), (13, 1678845), (15, 1454999), (21, 1039285), (35, 623571), (39, 559615), (59, 369915), (65, 335769), (91, 239835), (105, 207857), (177, 123305), (195, 111923), (271, 80535), (273, 79945), (295, 73983), (413, 52845), (455, 47967), (767, 28455), (813, 26845), (885, 24661), (1239, 17615), (1355, 16107), (1365, 15989), (1897, 11505), (2065, 10569), (2301, 9485), (3523, 6195), (3835, 5691), (4065, 5369)]