21639912

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7577}}^1$

素因数の和:7610

約数の個数: 64

約数和(自身を含む): 65473920

約数和(自身を除く): 43834008

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 68, 84, 102, 119, 136, 168, 204, 238, 357, 408, 476, 714, 952, 1428, 2856, 7577, 15154, 22731, 30308, 45462, 53039, 60616, 90924, 106078, 128809, 159117, 181848, 212156, 257618, 318234, 386427, 424312, 515236, 636468, 772854, 901663, 1030472, 1272936, 1545708, 1803326, 2704989, 3091416, 3606652, 5409978, 7213304, 10819956, 21639912]

約数ペア:

[(1, 21639912), (2, 10819956), (3, 7213304), (4, 5409978), (6, 3606652), (7, 3091416), (8, 2704989), (12, 1803326), (14, 1545708), (17, 1272936), (21, 1030472), (24, 901663), (28, 772854), (34, 636468), (42, 515236), (51, 424312), (56, 386427), (68, 318234), (84, 257618), (102, 212156), (119, 181848), (136, 159117), (168, 128809), (204, 106078), (238, 90924), (357, 60616), (408, 53039), (476, 45462), (714, 30308), (952, 22731), (1428, 15154), (2856, 7577)]