21216848384

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{1336747}}^1$

素因数の和:1336796

約数の個数: 40

約数和(自身を含む): 43759782528

約数和(自身を除く): 22542934144

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 15872, 1336747, 2673494, 5346988, 10693976, 21387952, 41439157, 42775904, 82878314, 85551808, 165756628, 171103616, 331513256, 342207232, 663026512, 684414464, 1326053024, 2652106048, 5304212096, 10608424192, 21216848384]

約数ペア:

[(1, 21216848384), (2, 10608424192), (4, 5304212096), (8, 2652106048), (16, 1326053024), (31, 684414464), (32, 663026512), (62, 342207232), (64, 331513256), (124, 171103616), (128, 165756628), (248, 85551808), (256, 82878314), (496, 42775904), (512, 41439157), (992, 21387952), (1984, 10693976), (3968, 5346988), (7936, 2673494), (15872, 1336747)]