21725478

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{541}}^1$

素因数の和:669

約数の個数: 48

約数和(自身を含む): 49716576

約数和(自身を除く): 27991098

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 97, 138, 194, 207, 291, 414, 541, 582, 873, 1082, 1623, 1746, 2231, 3246, 4462, 4869, 6693, 9738, 12443, 13386, 20079, 24886, 37329, 40158, 52477, 74658, 104954, 111987, 157431, 223974, 314862, 472293, 944586, 1206971, 2413942, 3620913, 7241826, 10862739, 21725478]

約数ペア:

[(1, 21725478), (2, 10862739), (3, 7241826), (6, 3620913), (9, 2413942), (18, 1206971), (23, 944586), (46, 472293), (69, 314862), (97, 223974), (138, 157431), (194, 111987), (207, 104954), (291, 74658), (414, 52477), (541, 40158), (582, 37329), (873, 24886), (1082, 20079), (1623, 13386), (1746, 12443), (2231, 9738), (3246, 6693), (4462, 4869)]