21335544

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{17431}}^1$

素因数の和:17460

約数の個数: 48

約数和(自身を含む): 61186320

約数和(自身を除く): 39850776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 612, 1224, 17431, 34862, 52293, 69724, 104586, 139448, 156879, 209172, 296327, 313758, 418344, 592654, 627516, 888981, 1185308, 1255032, 1777962, 2370616, 2666943, 3555924, 5333886, 7111848, 10667772, 21335544]

約数ペア:

[(1, 21335544), (2, 10667772), (3, 7111848), (4, 5333886), (6, 3555924), (8, 2666943), (9, 2370616), (12, 1777962), (17, 1255032), (18, 1185308), (24, 888981), (34, 627516), (36, 592654), (51, 418344), (68, 313758), (72, 296327), (102, 209172), (136, 156879), (153, 139448), (204, 104586), (306, 69724), (408, 52293), (612, 34862), (1224, 17431)]