21181068

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^1\times {\mathrm{8527}}^1$

素因数の和:8563

約数の個数: 48

約数和(自身を含む): 57308160

約数和(自身を除く): 36127092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 92, 108, 138, 207, 276, 414, 621, 828, 1242, 2484, 8527, 17054, 25581, 34108, 51162, 76743, 102324, 153486, 196121, 230229, 306972, 392242, 460458, 588363, 784484, 920916, 1176726, 1765089, 2353452, 3530178, 5295267, 7060356, 10590534, 21181068]

約数ペア:

[(1, 21181068), (2, 10590534), (3, 7060356), (4, 5295267), (6, 3530178), (9, 2353452), (12, 1765089), (18, 1176726), (23, 920916), (27, 784484), (36, 588363), (46, 460458), (54, 392242), (69, 306972), (92, 230229), (108, 196121), (138, 153486), (207, 102324), (276, 76743), (414, 51162), (621, 34108), (828, 25581), (1242, 17054), (2484, 8527)]