21151230555

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15495407}}^1$

素因数の和:15495435

約数の個数: 32

約数和(自身を含む): 41651656704

約数和(自身を除く): 20500426149

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 15495407, 46486221, 77477035, 108467849, 201440291, 232431105, 325403547, 542339245, 604320873, 1007201455, 1410082037, 1627017735, 3021604365, 4230246111, 7050410185, 21151230555]

約数ペア:

[(1, 21151230555), (3, 7050410185), (5, 4230246111), (7, 3021604365), (13, 1627017735), (15, 1410082037), (21, 1007201455), (35, 604320873), (39, 542339245), (65, 325403547), (91, 232431105), (105, 201440291), (195, 108467849), (273, 77477035), (455, 46486221), (1365, 15495407)]