21667422

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 51830784

約数和(自身を除く): 30163362

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 73, 74, 111, 146, 191, 219, 222, 259, 382, 438, 511, 518, 573, 777, 1022, 1146, 1337, 1533, 1554, 2674, 2701, 3066, 4011, 5402, 7067, 8022, 8103, 13943, 14134, 16206, 18907, 21201, 27886, 37814, 41829, 42402, 49469, 56721, 83658, 97601, 98938, 113442, 148407, 195202, 292803, 296814, 515891, 585606, 1031782, 1547673, 3095346, 3611237, 7222474, 10833711, 21667422]

約数ペア:

[(1, 21667422), (2, 10833711), (3, 7222474), (6, 3611237), (7, 3095346), (14, 1547673), (21, 1031782), (37, 585606), (42, 515891), (73, 296814), (74, 292803), (111, 195202), (146, 148407), (191, 113442), (219, 98938), (222, 97601), (259, 83658), (382, 56721), (438, 49469), (511, 42402), (518, 41829), (573, 37814), (777, 27886), (1022, 21201), (1146, 18907), (1337, 16206), (1533, 14134), (1554, 13943), (2674, 8103), (2701, 8022), (3066, 7067), (4011, 5402)]