21076671

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3967}}^1$

素因数の和:4011

約数の個数: 32

約数和(自身を含む): 36569088

約数和(自身を除く): 15492417

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 161, 231, 253, 483, 759, 1771, 3967, 5313, 11901, 27769, 43637, 83307, 91241, 130911, 273723, 305459, 638687, 916377, 1003651, 1916061, 3010953, 7025557, 21076671]

約数ペア:

[(1, 21076671), (3, 7025557), (7, 3010953), (11, 1916061), (21, 1003651), (23, 916377), (33, 638687), (69, 305459), (77, 273723), (161, 130911), (231, 91241), (253, 83307), (483, 43637), (759, 27769), (1771, 11901), (3967, 5313)]