21016142

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{21143}}^1$

素因数の和:21223

約数の個数: 16

約数和(自身を含む): 36536832

約数和(自身を除く): 15520690

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 21143, 42286, 148001, 296002, 1501153, 3002306, 10508071, 21016142]

約数ペア:

[(1, 21016142), (2, 10508071), (7, 3002306), (14, 1501153), (71, 296002), (142, 148001), (497, 42286), (994, 21143)]