21553164

素因数分解:

$2^2\times 3^2\times {\mathrm{163}}^1\times {\mathrm{3673}}^1$

素因数の和:3846

約数の個数: 36

約数和(自身を含む): 54830776

約数和(自身を除く): 33277612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 163, 326, 489, 652, 978, 1467, 1956, 2934, 3673, 5868, 7346, 11019, 14692, 22038, 33057, 44076, 66114, 132228, 598699, 1197398, 1796097, 2394796, 3592194, 5388291, 7184388, 10776582, 21553164]

約数ペア:

[(1, 21553164), (2, 10776582), (3, 7184388), (4, 5388291), (6, 3592194), (9, 2394796), (12, 1796097), (18, 1197398), (36, 598699), (163, 132228), (326, 66114), (489, 44076), (652, 33057), (978, 22038), (1467, 14692), (1956, 11019), (2934, 7346), (3673, 5868)]