21167230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4259}}^1$

素因数の和:4344

約数の個数: 32

約数和(自身を含む): 44167680

約数和(自身を除く): 23000450

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4259, 4970, 8518, 21295, 29813, 42590, 59626, 149065, 298130, 302389, 604778, 1511945, 2116723, 3023890, 4233446, 10583615, 21167230]

約数ペア:

[(1, 21167230), (2, 10583615), (5, 4233446), (7, 3023890), (10, 2116723), (14, 1511945), (35, 604778), (70, 302389), (71, 298130), (142, 149065), (355, 59626), (497, 42590), (710, 29813), (994, 21295), (2485, 8518), (4259, 4970)]