21756554884

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{9011}}^1\times {\mathrm{31769}}^1$

素因数の和:40803

約数の個数: 24

約数和(自身を含む): 40083573600

約数和(自身を除く): 18327018716

約数列:

[1, 2, 4, 19, 38, 76, 9011, 18022, 31769, 36044, 63538, 127076, 171209, 342418, 603611, 684836, 1207222, 2414444, 286270459, 572540918, 1145081836, 5439138721, 10878277442, 21756554884]

約数ペア:

[(1, 21756554884), (2, 10878277442), (4, 5439138721), (19, 1145081836), (38, 572540918), (76, 286270459), (9011, 2414444), (18022, 1207222), (31769, 684836), (36044, 603611), (63538, 342418), (127076, 171209)]