21790494

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{659}}^1$

素因数の和:845

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 30101346

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 167, 198, 334, 501, 659, 1002, 1318, 1503, 1837, 1977, 3006, 3674, 3954, 5511, 5931, 7249, 11022, 11862, 14498, 16533, 21747, 33066, 43494, 65241, 110053, 130482, 220106, 330159, 660318, 990477, 1210583, 1980954, 2421166, 3631749, 7263498, 10895247, 21790494]

約数ペア:

[(1, 21790494), (2, 10895247), (3, 7263498), (6, 3631749), (9, 2421166), (11, 1980954), (18, 1210583), (22, 990477), (33, 660318), (66, 330159), (99, 220106), (167, 130482), (198, 110053), (334, 65241), (501, 43494), (659, 33066), (1002, 21747), (1318, 16533), (1503, 14498), (1837, 11862), (1977, 11022), (3006, 7249), (3674, 5931), (3954, 5511)]