21637764

素因数分解:

$2^2\times 3^2\times {\mathrm{619}}^1\times {\mathrm{971}}^1$

素因数の和:1600

約数の個数: 36

約数和(自身を含む): 54840240

約数和(自身を除く): 33202476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 619, 971, 1238, 1857, 1942, 2476, 2913, 3714, 3884, 5571, 5826, 7428, 8739, 11142, 11652, 17478, 22284, 34956, 601049, 1202098, 1803147, 2404196, 3606294, 5409441, 7212588, 10818882, 21637764]

約数ペア:

[(1, 21637764), (2, 10818882), (3, 7212588), (4, 5409441), (6, 3606294), (9, 2404196), (12, 1803147), (18, 1202098), (36, 601049), (619, 34956), (971, 22284), (1238, 17478), (1857, 11652), (1942, 11142), (2476, 8739), (2913, 7428), (3714, 5826), (3884, 5571)]