21041082

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:387

約数の個数: 48

約数和(自身を含む): 47099520

約数和(自身を除く): 26058438

約数列:

[1, 2, 3, 6, 9, 18, 67, 73, 134, 146, 201, 219, 239, 402, 438, 478, 603, 657, 717, 1206, 1314, 1434, 2151, 4302, 4891, 9782, 14673, 16013, 17447, 29346, 32026, 34894, 44019, 48039, 52341, 88038, 96078, 104682, 144117, 157023, 288234, 314046, 1168949, 2337898, 3506847, 7013694, 10520541, 21041082]

約数ペア:

[(1, 21041082), (2, 10520541), (3, 7013694), (6, 3506847), (9, 2337898), (18, 1168949), (67, 314046), (73, 288234), (134, 157023), (146, 144117), (201, 104682), (219, 96078), (239, 88038), (402, 52341), (438, 48039), (478, 44019), (603, 34894), (657, 32026), (717, 29346), (1206, 17447), (1314, 16013), (1434, 14673), (2151, 9782), (4302, 4891)]