21348294

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 50388480

約数和(自身を除く): 29040186

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 53, 66, 102, 106, 159, 187, 318, 359, 374, 561, 583, 718, 901, 1077, 1122, 1166, 1749, 1802, 2154, 2703, 3498, 3949, 5406, 6103, 7898, 9911, 11847, 12206, 18309, 19027, 19822, 23694, 29733, 36618, 38054, 57081, 59466, 67133, 114162, 134266, 201399, 209297, 323459, 402798, 418594, 627891, 646918, 970377, 1255782, 1940754, 3558049, 7116098, 10674147, 21348294]

約数ペア:

[(1, 21348294), (2, 10674147), (3, 7116098), (6, 3558049), (11, 1940754), (17, 1255782), (22, 970377), (33, 646918), (34, 627891), (51, 418594), (53, 402798), (66, 323459), (102, 209297), (106, 201399), (159, 134266), (187, 114162), (318, 67133), (359, 59466), (374, 57081), (561, 38054), (583, 36618), (718, 29733), (901, 23694), (1077, 19822), (1122, 19027), (1166, 18309), (1749, 12206), (1802, 11847), (2154, 9911), (2703, 7898), (3498, 6103), (3949, 5406)]