21003669915

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{881}}^1\times {\mathrm{93493}}^1$

素因数の和:94399

約数の個数: 32

約数和(自身を含む): 35623457856

約数和(自身を除く): 14619787941

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 881, 2643, 4405, 13215, 14977, 44931, 74885, 93493, 224655, 280479, 467465, 1402395, 1589381, 4768143, 7946905, 23840715, 82367333, 247101999, 411836665, 1235509995, 1400244661, 4200733983, 7001223305, 21003669915]

約数ペア:

[(1, 21003669915), (3, 7001223305), (5, 4200733983), (15, 1400244661), (17, 1235509995), (51, 411836665), (85, 247101999), (255, 82367333), (881, 23840715), (2643, 7946905), (4405, 4768143), (13215, 1589381), (14977, 1402395), (44931, 467465), (74885, 280479), (93493, 224655)]