21182454

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{257}}^1$

素因数の和:525

約数の個数: 48

約数和(自身を含む): 48700080

約数和(自身を除く): 27517626

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 241, 257, 342, 482, 514, 723, 771, 1446, 1542, 2169, 2313, 4338, 4579, 4626, 4883, 9158, 9766, 13737, 14649, 27474, 29298, 41211, 43947, 61937, 82422, 87894, 123874, 185811, 371622, 557433, 1114866, 1176803, 2353606, 3530409, 7060818, 10591227, 21182454]

約数ペア:

[(1, 21182454), (2, 10591227), (3, 7060818), (6, 3530409), (9, 2353606), (18, 1176803), (19, 1114866), (38, 557433), (57, 371622), (114, 185811), (171, 123874), (241, 87894), (257, 82422), (342, 61937), (482, 43947), (514, 41211), (723, 29298), (771, 27474), (1446, 14649), (1542, 13737), (2169, 9766), (2313, 9158), (4338, 4883), (4579, 4626)]