21968016

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{65381}}^1$

素因数の和:65399

約数の個数: 40

約数和(自身を含む): 64858944

約数和(自身を除く): 42890928

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 65381, 130762, 196143, 261524, 392286, 457667, 523048, 784572, 915334, 1046096, 1373001, 1569144, 1830668, 2746002, 3138288, 3661336, 5492004, 7322672, 10984008, 21968016]

約数ペア:

[(1, 21968016), (2, 10984008), (3, 7322672), (4, 5492004), (6, 3661336), (7, 3138288), (8, 2746002), (12, 1830668), (14, 1569144), (16, 1373001), (21, 1046096), (24, 915334), (28, 784572), (42, 523048), (48, 457667), (56, 392286), (84, 261524), (112, 196143), (168, 130762), (336, 65381)]