21789972

素因数分解:

$2^2\times 3^4\times {\mathrm{109}}^1\times {\mathrm{617}}^1$

素因数の和:742

約数の個数: 60

約数和(自身を含む): 57579060

約数和(自身を除く): 35789088

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 109, 162, 218, 324, 327, 436, 617, 654, 981, 1234, 1308, 1851, 1962, 2468, 2943, 3702, 3924, 5553, 5886, 7404, 8829, 11106, 11772, 16659, 17658, 22212, 33318, 35316, 49977, 66636, 67253, 99954, 134506, 199908, 201759, 269012, 403518, 605277, 807036, 1210554, 1815831, 2421108, 3631662, 5447493, 7263324, 10894986, 21789972]

約数ペア:

[(1, 21789972), (2, 10894986), (3, 7263324), (4, 5447493), (6, 3631662), (9, 2421108), (12, 1815831), (18, 1210554), (27, 807036), (36, 605277), (54, 403518), (81, 269012), (108, 201759), (109, 199908), (162, 134506), (218, 99954), (324, 67253), (327, 66636), (436, 49977), (617, 35316), (654, 33318), (981, 22212), (1234, 17658), (1308, 16659), (1851, 11772), (1962, 11106), (2468, 8829), (2943, 7404), (3702, 5886), (3924, 5553)]