21874004691

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{139459}}^1$

素因数の和:139584

約数の個数: 48

約数和(自身を含む): 37393130880

約数和(自身を除く): 15519126189

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 97, 147, 231, 291, 539, 679, 1067, 1617, 2037, 3201, 4753, 7469, 14259, 22407, 52283, 139459, 156849, 418377, 976213, 1534049, 2928639, 4602147, 6833491, 10738343, 13527523, 20500473, 32215029, 40582569, 75168401, 94692661, 148802753, 225505203, 284077983, 446408259, 662848627, 1041619271, 1988545881, 3124857813, 7291334897, 21874004691]

約数ペア:

[(1, 21874004691), (3, 7291334897), (7, 3124857813), (11, 1988545881), (21, 1041619271), (33, 662848627), (49, 446408259), (77, 284077983), (97, 225505203), (147, 148802753), (231, 94692661), (291, 75168401), (539, 40582569), (679, 32215029), (1067, 20500473), (1617, 13527523), (2037, 10738343), (3201, 6833491), (4753, 4602147), (7469, 2928639), (14259, 1534049), (22407, 976213), (52283, 418377), (139459, 156849)]