21081867982

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{10343}}^1$

素因数の和:10513

約数の個数: 64

約数和(自身を含む): 38287033344

約数和(自身を除く): 17205165362

約数列:

[1, 2, 7, 14, 41, 53, 67, 82, 106, 134, 287, 371, 469, 574, 742, 938, 2173, 2747, 3551, 4346, 5494, 7102, 10343, 15211, 19229, 20686, 24857, 30422, 38458, 49714, 72401, 144802, 145591, 291182, 424063, 548179, 692981, 848126, 1019137, 1096358, 1385962, 2038274, 2968441, 3837253, 4850867, 5936882, 7674506, 9701734, 22475339, 28412221, 36727993, 44950678, 56824442, 73455986, 157327373, 198885547, 257095951, 314654746, 397771094, 514191902, 1505847713, 3011695426, 10540933991, 21081867982]

約数ペア:

[(1, 21081867982), (2, 10540933991), (7, 3011695426), (14, 1505847713), (41, 514191902), (53, 397771094), (67, 314654746), (82, 257095951), (106, 198885547), (134, 157327373), (287, 73455986), (371, 56824442), (469, 44950678), (574, 36727993), (742, 28412221), (938, 22475339), (2173, 9701734), (2747, 7674506), (3551, 5936882), (4346, 4850867), (5494, 3837253), (7102, 2968441), (10343, 2038274), (15211, 1385962), (19229, 1096358), (20686, 1019137), (24857, 848126), (30422, 692981), (38458, 548179), (49714, 424063), (72401, 291182), (144802, 145591)]