21742294

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:420

約数の個数: 32

約数和(自身を含む): 38486016

約数和(自身を除く): 16743722

約数列:

[1, 2, 7, 14, 47, 94, 173, 191, 329, 346, 382, 658, 1211, 1337, 2422, 2674, 8131, 8977, 16262, 17954, 33043, 56917, 62839, 66086, 113834, 125678, 231301, 462602, 1553021, 3106042, 10871147, 21742294]

約数ペア:

[(1, 21742294), (2, 10871147), (7, 3106042), (14, 1553021), (47, 462602), (94, 231301), (173, 125678), (191, 113834), (329, 66086), (346, 62839), (382, 56917), (658, 33043), (1211, 17954), (1337, 16262), (2422, 8977), (2674, 8131)]