21452964

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137519}}^1$

素因数の和:137539

約数の個数: 24

約数和(自身を含む): 53907840

約数和(自身を除く): 32454876

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 137519, 275038, 412557, 550076, 825114, 1650228, 1787747, 3575494, 5363241, 7150988, 10726482, 21452964]

約数ペア:

[(1, 21452964), (2, 10726482), (3, 7150988), (4, 5363241), (6, 3575494), (12, 1787747), (13, 1650228), (26, 825114), (39, 550076), (52, 412557), (78, 275038), (156, 137519)]