21650868

素因数分解:

$2^2\times 3^3\times {\mathrm{307}}^1\times {\mathrm{653}}^1$

素因数の和:973

約数の個数: 48

約数和(自身を含む): 56400960

約数和(自身を除く): 34750092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 307, 614, 653, 921, 1228, 1306, 1842, 1959, 2612, 2763, 3684, 3918, 5526, 5877, 7836, 8289, 11052, 11754, 16578, 17631, 23508, 33156, 35262, 70524, 200471, 400942, 601413, 801884, 1202826, 1804239, 2405652, 3608478, 5412717, 7216956, 10825434, 21650868]

約数ペア:

[(1, 21650868), (2, 10825434), (3, 7216956), (4, 5412717), (6, 3608478), (9, 2405652), (12, 1804239), (18, 1202826), (27, 801884), (36, 601413), (54, 400942), (108, 200471), (307, 70524), (614, 35262), (653, 33156), (921, 23508), (1228, 17631), (1306, 16578), (1842, 11754), (1959, 11052), (2612, 8289), (2763, 7836), (3684, 5877), (3918, 5526)]