21578814

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{727}}^1$

素因数の和:849

約数の個数: 48

約数和(自身を含む): 50083488

約数和(自身を除く): 28504674

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 97, 102, 153, 194, 291, 306, 582, 727, 873, 1454, 1649, 1746, 2181, 3298, 4362, 4947, 6543, 9894, 12359, 13086, 14841, 24718, 29682, 37077, 70519, 74154, 111231, 141038, 211557, 222462, 423114, 634671, 1198823, 1269342, 2397646, 3596469, 7192938, 10789407, 21578814]

約数ペア:

[(1, 21578814), (2, 10789407), (3, 7192938), (6, 3596469), (9, 2397646), (17, 1269342), (18, 1198823), (34, 634671), (51, 423114), (97, 222462), (102, 211557), (153, 141038), (194, 111231), (291, 74154), (306, 70519), (582, 37077), (727, 29682), (873, 24718), (1454, 14841), (1649, 13086), (1746, 12359), (2181, 9894), (3298, 6543), (4362, 4947)]