21655224

素因数分解:

$2^3\times 3^2\times {\mathrm{167}}^1\times {\mathrm{1801}}^1$

素因数の和:1980

約数の個数: 48

約数和(自身を含む): 59033520

約数和(自身を除く): 37378296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 167, 334, 501, 668, 1002, 1336, 1503, 1801, 2004, 3006, 3602, 4008, 5403, 6012, 7204, 10806, 12024, 14408, 16209, 21612, 32418, 43224, 64836, 129672, 300767, 601534, 902301, 1203068, 1804602, 2406136, 2706903, 3609204, 5413806, 7218408, 10827612, 21655224]

約数ペア:

[(1, 21655224), (2, 10827612), (3, 7218408), (4, 5413806), (6, 3609204), (8, 2706903), (9, 2406136), (12, 1804602), (18, 1203068), (24, 902301), (36, 601534), (72, 300767), (167, 129672), (334, 64836), (501, 43224), (668, 32418), (1002, 21612), (1336, 16209), (1503, 14408), (1801, 12024), (2004, 10806), (3006, 7204), (3602, 6012), (4008, 5403)]