21416090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{479}}^1$

素因数の和:766

約数の個数: 32

約数和(自身を含む): 41057280

約数和(自身を除く): 19641190

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 263, 479, 526, 958, 1315, 2395, 2630, 4471, 4790, 8143, 8942, 16286, 22355, 40715, 44710, 81430, 125977, 251954, 629885, 1259770, 2141609, 4283218, 10708045, 21416090]

約数ペア:

[(1, 21416090), (2, 10708045), (5, 4283218), (10, 2141609), (17, 1259770), (34, 629885), (85, 251954), (170, 125977), (263, 81430), (479, 44710), (526, 40715), (958, 22355), (1315, 16286), (2395, 8942), (2630, 8143), (4471, 4790)]