21109096

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{463}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 40924800

約数和(自身を除く): 19815704

約数列:

[1, 2, 4, 8, 41, 82, 139, 164, 278, 328, 463, 556, 926, 1112, 1852, 3704, 5699, 11398, 18983, 22796, 37966, 45592, 64357, 75932, 128714, 151864, 257428, 514856, 2638637, 5277274, 10554548, 21109096]

約数ペア:

[(1, 21109096), (2, 10554548), (4, 5277274), (8, 2638637), (41, 514856), (82, 257428), (139, 151864), (164, 128714), (278, 75932), (328, 64357), (463, 45592), (556, 37966), (926, 22796), (1112, 18983), (1852, 11398), (3704, 5699)]