21336975

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:297

約数の個数: 72

約数和(自身を含む): 43001712

約数和(自身を除く): 21664737

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 37, 45, 55, 75, 99, 111, 165, 185, 225, 233, 275, 333, 407, 495, 555, 699, 825, 925, 1165, 1221, 1665, 2035, 2097, 2475, 2563, 2775, 3495, 3663, 5825, 6105, 7689, 8325, 8621, 10175, 10485, 12815, 17475, 18315, 23067, 25863, 30525, 38445, 43105, 52425, 64075, 77589, 91575, 94831, 115335, 129315, 192225, 215525, 284493, 387945, 474155, 576675, 646575, 853479, 1422465, 1939725, 2370775, 4267395, 7112325, 21336975]

約数ペア:

[(1, 21336975), (3, 7112325), (5, 4267395), (9, 2370775), (11, 1939725), (15, 1422465), (25, 853479), (33, 646575), (37, 576675), (45, 474155), (55, 387945), (75, 284493), (99, 215525), (111, 192225), (165, 129315), (185, 115335), (225, 94831), (233, 91575), (275, 77589), (333, 64075), (407, 52425), (495, 43105), (555, 38445), (699, 30525), (825, 25863), (925, 23067), (1165, 18315), (1221, 17475), (1665, 12815), (2035, 10485), (2097, 10175), (2475, 8621), (2563, 8325), (2775, 7689), (3495, 6105), (3663, 5825)]