21512454

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{557}}^1$

素因数の和:760

約数の個数: 32

約数和(自身を含む): 44434656

約数和(自身を除く): 22922202

約数列:

[1, 2, 3, 6, 41, 82, 123, 157, 246, 314, 471, 557, 942, 1114, 1671, 3342, 6437, 12874, 19311, 22837, 38622, 45674, 68511, 87449, 137022, 174898, 262347, 524694, 3585409, 7170818, 10756227, 21512454]

約数ペア:

[(1, 21512454), (2, 10756227), (3, 7170818), (6, 3585409), (41, 524694), (82, 262347), (123, 174898), (157, 137022), (246, 87449), (314, 68511), (471, 45674), (557, 38622), (942, 22837), (1114, 19311), (1671, 12874), (3342, 6437)]