21805642656

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{10816291}}^1$

素因数の和:10816314

約数の個数: 72

約数和(自身を含む): 70868345184

約数和(自身を除く): 49062702528

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 10816291, 21632582, 32448873, 43265164, 64897746, 75714037, 86530328, 97346619, 129795492, 151428074, 173060656, 194693238, 227142111, 259590984, 302856148, 346121312, 389386476, 454284222, 519181968, 605712296, 681426333, 778772952, 908568444, 1038363936, 1211424592, 1362852666, 1557545904, 1817136888, 2422849184, 2725705332, 3115091808, 3634273776, 5451410664, 7268547552, 10902821328, 21805642656]

約数ペア:

[(1, 21805642656), (2, 10902821328), (3, 7268547552), (4, 5451410664), (6, 3634273776), (7, 3115091808), (8, 2725705332), (9, 2422849184), (12, 1817136888), (14, 1557545904), (16, 1362852666), (18, 1211424592), (21, 1038363936), (24, 908568444), (28, 778772952), (32, 681426333), (36, 605712296), (42, 519181968), (48, 454284222), (56, 389386476), (63, 346121312), (72, 302856148), (84, 259590984), (96, 227142111), (112, 194693238), (126, 173060656), (144, 151428074), (168, 129795492), (224, 97346619), (252, 86530328), (288, 75714037), (336, 64897746), (504, 43265164), (672, 32448873), (1008, 21632582), (2016, 10816291)]