21368156935

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{457}}^1$

素因数の和:824

約数の個数: 48

約数和(自身を含む): 27374960448

約数和(自身を除く): 6006803513

約数列:

[1, 5, 31, 37, 155, 185, 263, 457, 961, 1147, 1315, 2285, 4805, 5735, 8153, 9731, 14167, 16909, 35557, 40765, 48655, 70835, 84545, 120191, 177785, 252743, 301661, 439177, 524179, 600955, 1263715, 1508305, 2195885, 2620895, 3725921, 4447067, 9351491, 16249549, 18629605, 22235335, 46757455, 81247745, 115503551, 137859077, 577517755, 689295385, 4273631387, 21368156935]

約数ペア:

[(1, 21368156935), (5, 4273631387), (31, 689295385), (37, 577517755), (155, 137859077), (185, 115503551), (263, 81247745), (457, 46757455), (961, 22235335), (1147, 18629605), (1315, 16249549), (2285, 9351491), (4805, 4447067), (5735, 3725921), (8153, 2620895), (9731, 2195885), (14167, 1508305), (16909, 1263715), (35557, 600955), (40765, 524179), (48655, 439177), (70835, 301661), (84545, 252743), (120191, 177785)]