21050361136

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9892087}}^1$

素因数の和:9892121

約数の個数: 40

約数和(自身を含む): 49064756480

約数和(自身を除く): 28014395344

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 9892087, 19784174, 39568348, 69244609, 79136696, 138489218, 158273392, 187949653, 276978436, 375899306, 553956872, 751798612, 1107913744, 1315647571, 1503597224, 2631295142, 3007194448, 5262590284, 10525180568, 21050361136]

約数ペア:

[(1, 21050361136), (2, 10525180568), (4, 5262590284), (7, 3007194448), (8, 2631295142), (14, 1503597224), (16, 1315647571), (19, 1107913744), (28, 751798612), (38, 553956872), (56, 375899306), (76, 276978436), (112, 187949653), (133, 158273392), (152, 138489218), (266, 79136696), (304, 69244609), (532, 39568348), (1064, 19784174), (2128, 9892087)]