21167882955

素因数分解:

$3^3\times 5^1\times {\mathrm{8221}}^1\times {\mathrm{19073}}^1$

素因数の和:27308

約数の個数: 32

約数和(自身を含む): 37638342720

約数和(自身を除く): 16470459765

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 8221, 19073, 24663, 41105, 57219, 73989, 95365, 123315, 171657, 221967, 286095, 369945, 514971, 858285, 1109835, 2574855, 156799133, 470397399, 783995665, 1411192197, 2351986995, 4233576591, 7055960985, 21167882955]

約数ペア:

[(1, 21167882955), (3, 7055960985), (5, 4233576591), (9, 2351986995), (15, 1411192197), (27, 783995665), (45, 470397399), (135, 156799133), (8221, 2574855), (19073, 1109835), (24663, 858285), (41105, 514971), (57219, 369945), (73989, 286095), (95365, 221967), (123315, 171657)]