21697164

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31721}}^1$

素因数の和:31750

約数の個数: 36

約数和(自身を含む): 57734040

約数和(自身を除く): 36036876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 31721, 63442, 95163, 126884, 190326, 285489, 380652, 570978, 602699, 1141956, 1205398, 1808097, 2410796, 3616194, 5424291, 7232388, 10848582, 21697164]

約数ペア:

[(1, 21697164), (2, 10848582), (3, 7232388), (4, 5424291), (6, 3616194), (9, 2410796), (12, 1808097), (18, 1205398), (19, 1141956), (36, 602699), (38, 570978), (57, 380652), (76, 285489), (114, 190326), (171, 126884), (228, 95163), (342, 63442), (684, 31721)]