21085146

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1303}}^1$

素因数の和:1371

約数の個数: 48

約数和(自身を含む): 48821760

約数和(自身を除く): 27736614

約数列:

[1, 2, 3, 6, 9, 18, 29, 31, 58, 62, 87, 93, 174, 186, 261, 279, 522, 558, 899, 1303, 1798, 2606, 2697, 3909, 5394, 7818, 8091, 11727, 16182, 23454, 37787, 40393, 75574, 80786, 113361, 121179, 226722, 242358, 340083, 363537, 680166, 727074, 1171397, 2342794, 3514191, 7028382, 10542573, 21085146]

約数ペア:

[(1, 21085146), (2, 10542573), (3, 7028382), (6, 3514191), (9, 2342794), (18, 1171397), (29, 727074), (31, 680166), (58, 363537), (62, 340083), (87, 242358), (93, 226722), (174, 121179), (186, 113361), (261, 80786), (279, 75574), (522, 40393), (558, 37787), (899, 23454), (1303, 16182), (1798, 11727), (2606, 8091), (2697, 7818), (3909, 5394)]