21026286

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:417

約数の個数: 48

約数和(自身を含む): 47341008

約数和(自身を除く): 26314722

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 131, 222, 241, 262, 333, 393, 482, 666, 723, 786, 1179, 1446, 2169, 2358, 4338, 4847, 8917, 9694, 14541, 17834, 26751, 29082, 31571, 43623, 53502, 63142, 80253, 87246, 94713, 160506, 189426, 284139, 568278, 1168127, 2336254, 3504381, 7008762, 10513143, 21026286]

約数ペア:

[(1, 21026286), (2, 10513143), (3, 7008762), (6, 3504381), (9, 2336254), (18, 1168127), (37, 568278), (74, 284139), (111, 189426), (131, 160506), (222, 94713), (241, 87246), (262, 80253), (333, 63142), (393, 53502), (482, 43623), (666, 31571), (723, 29082), (786, 26751), (1179, 17834), (1446, 14541), (2169, 9694), (2358, 8917), (4338, 4847)]