21472542

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13109}}^1$

素因数の和:13137

約数の個数: 48

約数和(自身を含む): 57264480

約数和(自身を除く): 35791938

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 13109, 26218, 39327, 78654, 91763, 117981, 170417, 183526, 235962, 275289, 340834, 511251, 550578, 825867, 1022502, 1192919, 1533753, 1651734, 2385838, 3067506, 3578757, 7157514, 10736271, 21472542]

約数ペア:

[(1, 21472542), (2, 10736271), (3, 7157514), (6, 3578757), (7, 3067506), (9, 2385838), (13, 1651734), (14, 1533753), (18, 1192919), (21, 1022502), (26, 825867), (39, 550578), (42, 511251), (63, 340834), (78, 275289), (91, 235962), (117, 183526), (126, 170417), (182, 117981), (234, 91763), (273, 78654), (546, 39327), (819, 26218), (1638, 13109)]