21000948070

素因数分解:

$2^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{509}}^1\times {\mathrm{14683}}^1$

素因数の和:15480

約数の個数: 32

約数和(自身を含む): 38013351840

約数和(自身を除く): 17012403770

約数列:

[1, 2, 5, 10, 281, 509, 562, 1018, 1405, 2545, 2810, 5090, 14683, 29366, 73415, 143029, 146830, 286058, 715145, 1430290, 4125923, 7473647, 8251846, 14947294, 20629615, 37368235, 41259230, 74736470, 2100094807, 4200189614, 10500474035, 21000948070]

約数ペア:

[(1, 21000948070), (2, 10500474035), (5, 4200189614), (10, 2100094807), (281, 74736470), (509, 41259230), (562, 37368235), (1018, 20629615), (1405, 14947294), (2545, 8251846), (2810, 7473647), (5090, 4125923), (14683, 1430290), (29366, 715145), (73415, 286058), (143029, 146830)]