21300912

素因数分解:

$2^4\times 3^2\times {\mathrm{53}}^1\times {\mathrm{2791}}^1$

素因数の和:2858

約数の個数: 60

約数和(自身を含む): 60759504

約数和(自身を除く): 39458592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 53, 72, 106, 144, 159, 212, 318, 424, 477, 636, 848, 954, 1272, 1908, 2544, 2791, 3816, 5582, 7632, 8373, 11164, 16746, 22328, 25119, 33492, 44656, 50238, 66984, 100476, 133968, 147923, 200952, 295846, 401904, 443769, 591692, 887538, 1183384, 1331307, 1775076, 2366768, 2662614, 3550152, 5325228, 7100304, 10650456, 21300912]

約数ペア:

[(1, 21300912), (2, 10650456), (3, 7100304), (4, 5325228), (6, 3550152), (8, 2662614), (9, 2366768), (12, 1775076), (16, 1331307), (18, 1183384), (24, 887538), (36, 591692), (48, 443769), (53, 401904), (72, 295846), (106, 200952), (144, 147923), (159, 133968), (212, 100476), (318, 66984), (424, 50238), (477, 44656), (636, 33492), (848, 25119), (954, 22328), (1272, 16746), (1908, 11164), (2544, 8373), (2791, 7632), (3816, 5582)]