21461704

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{5189}}^1$

素因数の和:5253

約数の個数: 32

約数和(自身を含む): 44841600

約数和(自身を除く): 23379896

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 88, 94, 188, 376, 517, 1034, 2068, 4136, 5189, 10378, 20756, 41512, 57079, 114158, 228316, 243883, 456632, 487766, 975532, 1951064, 2682713, 5365426, 10730852, 21461704]

約数ペア:

[(1, 21461704), (2, 10730852), (4, 5365426), (8, 2682713), (11, 1951064), (22, 975532), (44, 487766), (47, 456632), (88, 243883), (94, 228316), (188, 114158), (376, 57079), (517, 41512), (1034, 20756), (2068, 10378), (4136, 5189)]