21172504

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1447}}^1$

素因数の和:1543

約数の個数: 32

約数和(自身を含む): 41702400

約数和(自身を除く): 20529896

約数列:

[1, 2, 4, 8, 31, 59, 62, 118, 124, 236, 248, 472, 1447, 1829, 2894, 3658, 5788, 7316, 11576, 14632, 44857, 85373, 89714, 170746, 179428, 341492, 358856, 682984, 2646563, 5293126, 10586252, 21172504]

約数ペア:

[(1, 21172504), (2, 10586252), (4, 5293126), (8, 2646563), (31, 682984), (59, 358856), (62, 341492), (118, 179428), (124, 170746), (236, 89714), (248, 85373), (472, 44857), (1447, 14632), (1829, 11576), (2894, 7316), (3658, 5788)]