2171708

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{641}}^1$

素因数の和:674

約数の個数: 36

約数和(自身を含む): 4781616

約数和(自身を除く): 2609908

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 641, 847, 1282, 1694, 2564, 3388, 4487, 7051, 8974, 14102, 17948, 28204, 49357, 77561, 98714, 155122, 197428, 310244, 542927, 1085854, 2171708]

約数ペア:

[(1, 2171708), (2, 1085854), (4, 542927), (7, 310244), (11, 197428), (14, 155122), (22, 98714), (28, 77561), (44, 49357), (77, 28204), (121, 17948), (154, 14102), (242, 8974), (308, 7051), (484, 4487), (641, 3388), (847, 2564), (1282, 1694)]