21329328

素因数分解:

$2^4\times 3^1\times {\mathrm{431}}^1\times {\mathrm{1031}}^1$

素因数の和:1473

約数の個数: 40

約数和(自身を含む): 55282176

約数和(自身を除く): 33952848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 431, 862, 1031, 1293, 1724, 2062, 2586, 3093, 3448, 4124, 5172, 6186, 6896, 8248, 10344, 12372, 16496, 20688, 24744, 49488, 444361, 888722, 1333083, 1777444, 2666166, 3554888, 5332332, 7109776, 10664664, 21329328]

約数ペア:

[(1, 21329328), (2, 10664664), (3, 7109776), (4, 5332332), (6, 3554888), (8, 2666166), (12, 1777444), (16, 1333083), (24, 888722), (48, 444361), (431, 49488), (862, 24744), (1031, 20688), (1293, 16496), (1724, 12372), (2062, 10344), (2586, 8248), (3093, 6896), (3448, 6186), (4124, 5172)]