21625728

素因数分解:

$2^7\times 3^1\times {\mathrm{199}}^1\times {\mathrm{283}}^1$

素因数の和:499

約数の個数: 64

約数和(自身を含む): 57936000

約数和(自身を除く): 36310272

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 199, 283, 384, 398, 566, 597, 796, 849, 1132, 1194, 1592, 1698, 2264, 2388, 3184, 3396, 4528, 4776, 6368, 6792, 9056, 9552, 12736, 13584, 18112, 19104, 25472, 27168, 36224, 38208, 54336, 56317, 76416, 108672, 112634, 168951, 225268, 337902, 450536, 675804, 901072, 1351608, 1802144, 2703216, 3604288, 5406432, 7208576, 10812864, 21625728]

約数ペア:

[(1, 21625728), (2, 10812864), (3, 7208576), (4, 5406432), (6, 3604288), (8, 2703216), (12, 1802144), (16, 1351608), (24, 901072), (32, 675804), (48, 450536), (64, 337902), (96, 225268), (128, 168951), (192, 112634), (199, 108672), (283, 76416), (384, 56317), (398, 54336), (566, 38208), (597, 36224), (796, 27168), (849, 25472), (1132, 19104), (1194, 18112), (1592, 13584), (1698, 12736), (2264, 9552), (2388, 9056), (3184, 6792), (3396, 6368), (4528, 4776)]