21446852

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 44943360

約数和(自身を除く): 23496508

約数列:

[1, 2, 4, 7, 14, 28, 43, 47, 86, 94, 172, 188, 301, 329, 379, 602, 658, 758, 1204, 1316, 1516, 2021, 2653, 4042, 5306, 8084, 10612, 14147, 16297, 17813, 28294, 32594, 35626, 56588, 65188, 71252, 114079, 124691, 228158, 249382, 456316, 498764, 765959, 1531918, 3063836, 5361713, 10723426, 21446852]

約数ペア:

[(1, 21446852), (2, 10723426), (4, 5361713), (7, 3063836), (14, 1531918), (28, 765959), (43, 498764), (47, 456316), (86, 249382), (94, 228158), (172, 124691), (188, 114079), (301, 71252), (329, 65188), (379, 56588), (602, 35626), (658, 32594), (758, 28294), (1204, 17813), (1316, 16297), (1516, 14147), (2021, 10612), (2653, 8084), (4042, 5306)]