21007356

素因数分解:

$2^2\times 3^1\times {\mathrm{73}}^1\times {\mathrm{23981}}^1$

素因数の和:24061

約数の個数: 24

約数和(自身を含む): 49690704

約数和(自身を除く): 28683348

約数列:

[1, 2, 3, 4, 6, 12, 73, 146, 219, 292, 438, 876, 23981, 47962, 71943, 95924, 143886, 287772, 1750613, 3501226, 5251839, 7002452, 10503678, 21007356]

約数ペア:

[(1, 21007356), (2, 10503678), (3, 7002452), (4, 5251839), (6, 3501226), (12, 1750613), (73, 287772), (146, 143886), (219, 95924), (292, 71943), (438, 47962), (876, 23981)]