21888072

素因数分解:

$2^3\times 3^2\times {\mathrm{109}}^1\times {\mathrm{2789}}^1$

素因数の和:2910

約数の個数: 48

約数和(自身を含む): 59845500

約数和(自身を除く): 37957428

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 109, 218, 327, 436, 654, 872, 981, 1308, 1962, 2616, 2789, 3924, 5578, 7848, 8367, 11156, 16734, 22312, 25101, 33468, 50202, 66936, 100404, 200808, 304001, 608002, 912003, 1216004, 1824006, 2432008, 2736009, 3648012, 5472018, 7296024, 10944036, 21888072]

約数ペア:

[(1, 21888072), (2, 10944036), (3, 7296024), (4, 5472018), (6, 3648012), (8, 2736009), (9, 2432008), (12, 1824006), (18, 1216004), (24, 912003), (36, 608002), (72, 304001), (109, 200808), (218, 100404), (327, 66936), (436, 50202), (654, 33468), (872, 25101), (981, 22312), (1308, 16734), (1962, 11156), (2616, 8367), (2789, 7848), (3924, 5578)]