21284772

素因数分解:

$2^2\times 3^1\times {\mathrm{947}}^1\times {\mathrm{1873}}^1$

素因数の和:2827

約数の個数: 24

約数和(自身を含む): 49743456

約数和(自身を除く): 28458684

約数列:

[1, 2, 3, 4, 6, 12, 947, 1873, 1894, 2841, 3746, 3788, 5619, 5682, 7492, 11238, 11364, 22476, 1773731, 3547462, 5321193, 7094924, 10642386, 21284772]

約数ペア:

[(1, 21284772), (2, 10642386), (3, 7094924), (4, 5321193), (6, 3547462), (12, 1773731), (947, 22476), (1873, 11364), (1894, 11238), (2841, 7492), (3746, 5682), (3788, 5619)]