21406776

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{20743}}^1$

素因数の和:20795

約数の個数: 32

約数和(自身を含む): 54764160

約数和(自身を除く): 33357384

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 20743, 41486, 62229, 82972, 124458, 165944, 248916, 497832, 891949, 1783898, 2675847, 3567796, 5351694, 7135592, 10703388, 21406776]

約数ペア:

[(1, 21406776), (2, 10703388), (3, 7135592), (4, 5351694), (6, 3567796), (8, 2675847), (12, 1783898), (24, 891949), (43, 497832), (86, 248916), (129, 165944), (172, 124458), (258, 82972), (344, 62229), (516, 41486), (1032, 20743)]