21416626

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19867}}^1$

素因数の和:19894

約数の個数: 24

約数和(自身を含む): 40769136

約数和(自身を除く): 19352510

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 19867, 39734, 139069, 218537, 278138, 437074, 973483, 1529759, 1946966, 3059518, 10708313, 21416626]

約数ペア:

[(1, 21416626), (2, 10708313), (7, 3059518), (11, 1946966), (14, 1529759), (22, 973483), (49, 437074), (77, 278138), (98, 218537), (154, 139069), (539, 39734), (1078, 19867)]