21284892

素因数分解:

$2^2\times 3^2\times {\mathrm{631}}^1\times {\mathrm{937}}^1$

素因数の和:1578

約数の個数: 36

約数和(自身を含む): 53946256

約数和(自身を除く): 32661364

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 631, 937, 1262, 1874, 1893, 2524, 2811, 3748, 3786, 5622, 5679, 7572, 8433, 11244, 11358, 16866, 22716, 33732, 591247, 1182494, 1773741, 2364988, 3547482, 5321223, 7094964, 10642446, 21284892]

約数ペア:

[(1, 21284892), (2, 10642446), (3, 7094964), (4, 5321223), (6, 3547482), (9, 2364988), (12, 1773741), (18, 1182494), (36, 591247), (631, 33732), (937, 22716), (1262, 16866), (1874, 11358), (1893, 11244), (2524, 8433), (2811, 7572), (3748, 5679), (3786, 5622)]