21000819838

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1\times {\mathrm{20719}}^1$

素因数の和:21072

約数の個数: 32

約数和(自身を含む): 33083043840

約数和(自身を除く): 12082224002

約数列:

[1, 2, 41, 47, 82, 94, 263, 526, 1927, 3854, 10783, 12361, 20719, 21566, 24722, 41438, 506801, 849479, 973793, 1013602, 1698958, 1947586, 5449097, 10898194, 39925513, 79851026, 223412977, 256107559, 446825954, 512215118, 10500409919, 21000819838]

約数ペア:

[(1, 21000819838), (2, 10500409919), (41, 512215118), (47, 446825954), (82, 256107559), (94, 223412977), (263, 79851026), (526, 39925513), (1927, 10898194), (3854, 5449097), (10783, 1947586), (12361, 1698958), (20719, 1013602), (21566, 973793), (24722, 849479), (41438, 506801)]