21158142

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{49667}}^1$

素因数の和:49743

約数の個数: 16

約数和(自身を含む): 42913152

約数和(自身を除く): 21755010

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 49667, 99334, 149001, 298002, 3526357, 7052714, 10579071, 21158142]

約数ペア:

[(1, 21158142), (2, 10579071), (3, 7052714), (6, 3526357), (71, 298002), (142, 149001), (213, 99334), (426, 49667)]