21503092

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{413521}}^1$

素因数の和:413538

約数の個数: 12

約数和(自身を含む): 40525156

約数和(自身を除く): 19022064

約数列:

[1, 2, 4, 13, 26, 52, 413521, 827042, 1654084, 5375773, 10751546, 21503092]

約数ペア:

[(1, 21503092), (2, 10751546), (4, 5375773), (13, 1654084), (26, 827042), (52, 413521)]