21174144

素因数分解:

$2^7\times 3^1\times {\mathrm{67}}^1\times {\mathrm{823}}^1$

素因数の和:907

約数の個数: 64

約数和(自身を含む): 57152640

約数和(自身を除く): 35978496

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 67, 96, 128, 134, 192, 201, 268, 384, 402, 536, 804, 823, 1072, 1608, 1646, 2144, 2469, 3216, 3292, 4288, 4938, 6432, 6584, 8576, 9876, 12864, 13168, 19752, 25728, 26336, 39504, 52672, 55141, 79008, 105344, 110282, 158016, 165423, 220564, 316032, 330846, 441128, 661692, 882256, 1323384, 1764512, 2646768, 3529024, 5293536, 7058048, 10587072, 21174144]

約数ペア:

[(1, 21174144), (2, 10587072), (3, 7058048), (4, 5293536), (6, 3529024), (8, 2646768), (12, 1764512), (16, 1323384), (24, 882256), (32, 661692), (48, 441128), (64, 330846), (67, 316032), (96, 220564), (128, 165423), (134, 158016), (192, 110282), (201, 105344), (268, 79008), (384, 55141), (402, 52672), (536, 39504), (804, 26336), (823, 25728), (1072, 19752), (1608, 13168), (1646, 12864), (2144, 9876), (2469, 8576), (3216, 6584), (3292, 6432), (4288, 4938)]