21453204245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{241}}^1\times {\mathrm{14323}}^1$

素因数の和:14693

約数の個数: 32

約数和(自身を含む): 28452276864

約数和(自身を除く): 6999072619

約数列:

[1, 5, 11, 55, 113, 241, 565, 1205, 1243, 2651, 6215, 13255, 14323, 27233, 71615, 136165, 157553, 299563, 787765, 1497815, 1618499, 3451843, 8092495, 17259215, 17803489, 37970273, 89017445, 189851365, 390058259, 1950291295, 4290640849, 21453204245]

約数ペア:

[(1, 21453204245), (5, 4290640849), (11, 1950291295), (55, 390058259), (113, 189851365), (241, 89017445), (565, 37970273), (1205, 17803489), (1243, 17259215), (2651, 8092495), (6215, 3451843), (13255, 1618499), (14323, 1497815), (27233, 787765), (71615, 299563), (136165, 157553)]