21320156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37273}}^1$

素因数の和:37301

約数の個数: 24

約数和(自身を含む): 43834224

約数和(自身を除く): 22514068

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 37273, 74546, 149092, 410003, 484549, 820006, 969098, 1640012, 1938196, 5330039, 10660078, 21320156]

約数ペア:

[(1, 21320156), (2, 10660078), (4, 5330039), (11, 1938196), (13, 1640012), (22, 969098), (26, 820006), (44, 484549), (52, 410003), (143, 149092), (286, 74546), (572, 37273)]