21189344

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3541}}^1$

素因数の和:3579

約数の個数: 48

約数和(自身を含む): 48199536

約数和(自身を除く): 27010192

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 136, 176, 187, 272, 352, 374, 544, 748, 1496, 2992, 3541, 5984, 7082, 14164, 28328, 38951, 56656, 60197, 77902, 113312, 120394, 155804, 240788, 311608, 481576, 623216, 662167, 963152, 1246432, 1324334, 1926304, 2648668, 5297336, 10594672, 21189344]

約数ペア:

[(1, 21189344), (2, 10594672), (4, 5297336), (8, 2648668), (11, 1926304), (16, 1324334), (17, 1246432), (22, 963152), (32, 662167), (34, 623216), (44, 481576), (68, 311608), (88, 240788), (136, 155804), (176, 120394), (187, 113312), (272, 77902), (352, 60197), (374, 56656), (544, 38951), (748, 28328), (1496, 14164), (2992, 7082), (3541, 5984)]