21305429966079

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{155628821}}^1$

素因数の和:155628928

約数の個数: 48

約数和(自身を含む): 36708481502784

約数和(自身を除く): 15403051536705

約数列:

[1, 3, 7, 9, 21, 41, 53, 63, 123, 159, 287, 369, 371, 477, 861, 1113, 2173, 2583, 3339, 6519, 15211, 19557, 45633, 136899, 155628821, 466886463, 1089401747, 1400659389, 3268205241, 6380781661, 8248327513, 9804615723, 19142344983, 24744982539, 44665471627, 57427034949, 57738292591, 74234947617, 133996414881, 173214877773, 338181428033, 401989244643, 519644633319, 1014544284099, 2367269996231, 3043632852297, 7101809988693, 21305429966079]

約数ペア:

[(1, 21305429966079), (3, 7101809988693), (7, 3043632852297), (9, 2367269996231), (21, 1014544284099), (41, 519644633319), (53, 401989244643), (63, 338181428033), (123, 173214877773), (159, 133996414881), (287, 74234947617), (369, 57738292591), (371, 57427034949), (477, 44665471627), (861, 24744982539), (1113, 19142344983), (2173, 9804615723), (2583, 8248327513), (3339, 6380781661), (6519, 3268205241), (15211, 1400659389), (19557, 1089401747), (45633, 466886463), (136899, 155628821)]