21041735

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29429}}^1$

素因数の和:29458

約数の個数: 16

約数和(自身を含む): 29665440

約数和(自身を除く): 8623705

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 29429, 147145, 323719, 382577, 1618595, 1912885, 4208347, 21041735]

約数ペア:

[(1, 21041735), (5, 4208347), (11, 1912885), (13, 1618595), (55, 382577), (65, 323719), (143, 147145), (715, 29429)]