21906401664

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{8149703}}^1$

素因数の和:8149727

約数の個数: 64

約数和(自身を含む): 66501584640

約数和(自身を除く): 44595182976

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 336, 384, 448, 672, 896, 1344, 2688, 8149703, 16299406, 24449109, 32598812, 48898218, 57047921, 65197624, 97796436, 114095842, 130395248, 171143763, 195592872, 228191684, 260790496, 342287526, 391185744, 456383368, 521580992, 684575052, 782371488, 912766736, 1043161984, 1369150104, 1564742976, 1825533472, 2738300208, 3129485952, 3651066944, 5476600416, 7302133888, 10953200832, 21906401664]

約数ペア:

[(1, 21906401664), (2, 10953200832), (3, 7302133888), (4, 5476600416), (6, 3651066944), (7, 3129485952), (8, 2738300208), (12, 1825533472), (14, 1564742976), (16, 1369150104), (21, 1043161984), (24, 912766736), (28, 782371488), (32, 684575052), (42, 521580992), (48, 456383368), (56, 391185744), (64, 342287526), (84, 260790496), (96, 228191684), (112, 195592872), (128, 171143763), (168, 130395248), (192, 114095842), (224, 97796436), (336, 65197624), (384, 57047921), (448, 48898218), (672, 32598812), (896, 24449109), (1344, 16299406), (2688, 8149703)]