21327544

素因数分解:

$2^3\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1327}}^1$

素因数の和:1388

約数の個数: 48

約数和(自身を含む): 47688480

約数和(自身を除く): 26360936

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 49, 56, 82, 98, 164, 196, 287, 328, 392, 574, 1148, 1327, 2009, 2296, 2654, 4018, 5308, 8036, 9289, 10616, 16072, 18578, 37156, 54407, 65023, 74312, 108814, 130046, 217628, 260092, 380849, 435256, 520184, 761698, 1523396, 2665943, 3046792, 5331886, 10663772, 21327544]

約数ペア:

[(1, 21327544), (2, 10663772), (4, 5331886), (7, 3046792), (8, 2665943), (14, 1523396), (28, 761698), (41, 520184), (49, 435256), (56, 380849), (82, 260092), (98, 217628), (164, 130046), (196, 108814), (287, 74312), (328, 65023), (392, 54407), (574, 37156), (1148, 18578), (1327, 16072), (2009, 10616), (2296, 9289), (2654, 8036), (4018, 5308)]