21079184

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11071}}^1$

素因数の和:11103

約数の個数: 40

約数和(自身を含む): 49425408

約数和(自身を除く): 28346224

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 11071, 22142, 44284, 77497, 88568, 154994, 177136, 188207, 309988, 376414, 619976, 752828, 1239952, 1317449, 1505656, 2634898, 3011312, 5269796, 10539592, 21079184]

約数ペア:

[(1, 21079184), (2, 10539592), (4, 5269796), (7, 3011312), (8, 2634898), (14, 1505656), (16, 1317449), (17, 1239952), (28, 752828), (34, 619976), (56, 376414), (68, 309988), (112, 188207), (119, 177136), (136, 154994), (238, 88568), (272, 77497), (476, 44284), (952, 22142), (1904, 11071)]