21807082

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1$

素因数の和:714

約数の個数: 32

約数和(自身を含む): 37822464

約数和(自身を除く): 16015382

約数列:

[1, 2, 11, 22, 23, 46, 71, 142, 253, 506, 607, 781, 1214, 1562, 1633, 3266, 6677, 13354, 13961, 17963, 27922, 35926, 43097, 86194, 153571, 307142, 474067, 948134, 991231, 1982462, 10903541, 21807082]

約数ペア:

[(1, 21807082), (2, 10903541), (11, 1982462), (22, 991231), (23, 948134), (46, 474067), (71, 307142), (142, 153571), (253, 86194), (506, 43097), (607, 35926), (781, 27922), (1214, 17963), (1562, 13961), (1633, 13354), (3266, 6677)]