21801336

素因数分解:

$2^3\times 3^1\times {\mathrm{409}}^1\times {\mathrm{2221}}^1$

素因数の和:2639

約数の個数: 32

約数和(自身を含む): 54661200

約数和(自身を除く): 32859864

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 409, 818, 1227, 1636, 2221, 2454, 3272, 4442, 4908, 6663, 8884, 9816, 13326, 17768, 26652, 53304, 908389, 1816778, 2725167, 3633556, 5450334, 7267112, 10900668, 21801336]

約数ペア:

[(1, 21801336), (2, 10900668), (3, 7267112), (4, 5450334), (6, 3633556), (8, 2725167), (12, 1816778), (24, 908389), (409, 53304), (818, 26652), (1227, 17768), (1636, 13326), (2221, 9816), (2454, 8884), (3272, 6663), (4442, 4908)]