21622132

素因数分解:

$2^2\times 7^2\times {\mathrm{107}}^1\times {\mathrm{1031}}^1$

素因数の和:1156

約数の個数: 36

約数和(自身を含む): 44470944

約数和(自身を除く): 22848812

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 107, 196, 214, 428, 749, 1031, 1498, 2062, 2996, 4124, 5243, 7217, 10486, 14434, 20972, 28868, 50519, 101038, 110317, 202076, 220634, 441268, 772219, 1544438, 3088876, 5405533, 10811066, 21622132]

約数ペア:

[(1, 21622132), (2, 10811066), (4, 5405533), (7, 3088876), (14, 1544438), (28, 772219), (49, 441268), (98, 220634), (107, 202076), (196, 110317), (214, 101038), (428, 50519), (749, 28868), (1031, 20972), (1498, 14434), (2062, 10486), (2996, 7217), (4124, 5243)]