21590118

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1913}}^1$

素因数の和:1954

約数の個数: 64

約数和(自身を含む): 55123200

約数和(自身を除く): 33533082

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 27, 33, 38, 54, 57, 66, 99, 114, 171, 198, 209, 297, 342, 418, 513, 594, 627, 1026, 1254, 1881, 1913, 3762, 3826, 5643, 5739, 11286, 11478, 17217, 21043, 34434, 36347, 42086, 51651, 63129, 72694, 103302, 109041, 126258, 189387, 218082, 327123, 378774, 399817, 568161, 654246, 799634, 981369, 1136322, 1199451, 1962738, 2398902, 3598353, 7196706, 10795059, 21590118]

約数ペア:

[(1, 21590118), (2, 10795059), (3, 7196706), (6, 3598353), (9, 2398902), (11, 1962738), (18, 1199451), (19, 1136322), (22, 981369), (27, 799634), (33, 654246), (38, 568161), (54, 399817), (57, 378774), (66, 327123), (99, 218082), (114, 189387), (171, 126258), (198, 109041), (209, 103302), (297, 72694), (342, 63129), (418, 51651), (513, 42086), (594, 36347), (627, 34434), (1026, 21043), (1254, 17217), (1881, 11478), (1913, 11286), (3762, 5739), (3826, 5643)]