21251088

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{8681}}^1$

素因数の和:8712

約数の個数: 60

約数和(自身を含む): 62979228

約数和(自身を除く): 41728140

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 136, 144, 153, 204, 272, 306, 408, 612, 816, 1224, 2448, 8681, 17362, 26043, 34724, 52086, 69448, 78129, 104172, 138896, 147577, 156258, 208344, 295154, 312516, 416688, 442731, 590308, 625032, 885462, 1180616, 1250064, 1328193, 1770924, 2361232, 2656386, 3541848, 5312772, 7083696, 10625544, 21251088]

約数ペア:

[(1, 21251088), (2, 10625544), (3, 7083696), (4, 5312772), (6, 3541848), (8, 2656386), (9, 2361232), (12, 1770924), (16, 1328193), (17, 1250064), (18, 1180616), (24, 885462), (34, 625032), (36, 590308), (48, 442731), (51, 416688), (68, 312516), (72, 295154), (102, 208344), (136, 156258), (144, 147577), (153, 138896), (204, 104172), (272, 78129), (306, 69448), (408, 52086), (612, 34724), (816, 26043), (1224, 17362), (2448, 8681)]