21250584

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{4157}}^1$

素因数の和:4240

約数の個数: 48

約数和(自身を含む): 58378320

約数和(自身を除く): 37127736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2556, 4157, 5112, 8314, 12471, 16628, 24942, 33256, 37413, 49884, 74826, 99768, 149652, 295147, 299304, 590294, 885441, 1180588, 1770882, 2361176, 2656323, 3541764, 5312646, 7083528, 10625292, 21250584]

約数ペア:

[(1, 21250584), (2, 10625292), (3, 7083528), (4, 5312646), (6, 3541764), (8, 2656323), (9, 2361176), (12, 1770882), (18, 1180588), (24, 885441), (36, 590294), (71, 299304), (72, 295147), (142, 149652), (213, 99768), (284, 74826), (426, 49884), (568, 37413), (639, 33256), (852, 24942), (1278, 16628), (1704, 12471), (2556, 8314), (4157, 5112)]