21145194

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{283}}^1\times {\mathrm{593}}^1$

素因数の和:891

約数の個数: 48

約数和(自身を含む): 52633152

約数和(自身を除く): 31487958

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 283, 566, 593, 849, 1186, 1698, 1779, 1981, 2547, 3558, 3962, 4151, 5094, 5337, 5943, 8302, 10674, 11886, 12453, 17829, 24906, 35658, 37359, 74718, 167819, 335638, 503457, 1006914, 1174733, 1510371, 2349466, 3020742, 3524199, 7048398, 10572597, 21145194]

約数ペア:

[(1, 21145194), (2, 10572597), (3, 7048398), (6, 3524199), (7, 3020742), (9, 2349466), (14, 1510371), (18, 1174733), (21, 1006914), (42, 503457), (63, 335638), (126, 167819), (283, 74718), (566, 37359), (593, 35658), (849, 24906), (1186, 17829), (1698, 12453), (1779, 11886), (1981, 10674), (2547, 8302), (3558, 5943), (3962, 5337), (4151, 5094)]