21627968

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:355

約数の個数: 56

約数和(自身を含む): 45598080

約数和(自身を除く): 23970112

約数列:

[1, 2, 4, 8, 16, 29, 32, 43, 58, 64, 86, 116, 172, 232, 271, 344, 464, 542, 688, 928, 1084, 1247, 1376, 1856, 2168, 2494, 2752, 4336, 4988, 7859, 8672, 9976, 11653, 15718, 17344, 19952, 23306, 31436, 39904, 46612, 62872, 79808, 93224, 125744, 186448, 251488, 337937, 372896, 502976, 675874, 745792, 1351748, 2703496, 5406992, 10813984, 21627968]

約数ペア:

[(1, 21627968), (2, 10813984), (4, 5406992), (8, 2703496), (16, 1351748), (29, 745792), (32, 675874), (43, 502976), (58, 372896), (64, 337937), (86, 251488), (116, 186448), (172, 125744), (232, 93224), (271, 79808), (344, 62872), (464, 46612), (542, 39904), (688, 31436), (928, 23306), (1084, 19952), (1247, 17344), (1376, 15718), (1856, 11653), (2168, 9976), (2494, 8672), (2752, 7859), (4336, 4988)]