421065.0000000

素因数分解:

$2^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{607}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 7441920

約数和(自身を除く): 4008728

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 101, 202, 404, 607, 707, 808, 1214, 1414, 2428, 2828, 4249, 4856, 5656, 8498, 16996, 33992, 61307, 122614, 245228, 429149, 490456, 858298, 1716596, 3433192]

約数ペア:

[(1, 3433192), (2, 1716596), (4, 858298), (7, 490456), (8, 429149), (14, 245228), (28, 122614), (56, 61307), (101, 33992), (202, 16996), (404, 8498), (607, 5656), (707, 4856), (808, 4249), (1214, 2828), (1414, 2428)]