21630434

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{463}}^1$

素因数の和:590

約数の個数: 32

約数和(自身を含む): 38486016

約数和(自身を除く): 16855582

約数列:

[1, 2, 7, 14, 47, 71, 94, 142, 329, 463, 497, 658, 926, 994, 3241, 3337, 6482, 6674, 21761, 23359, 32873, 43522, 46718, 65746, 152327, 230111, 304654, 460222, 1545031, 3090062, 10815217, 21630434]

約数ペア:

[(1, 21630434), (2, 10815217), (7, 3090062), (14, 1545031), (47, 460222), (71, 304654), (94, 230111), (142, 152327), (329, 65746), (463, 46718), (497, 43522), (658, 32873), (926, 23359), (994, 21761), (3241, 6674), (3337, 6482)]