21061001

素因数分解:

${\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:376

約数の個数: 16

約数和(自身を含む): 23284800

約数和(自身を除く): 2223799

約数列:

[1, 13, 83, 131, 149, 1079, 1703, 1937, 10873, 12367, 19519, 141349, 160771, 253747, 1620077, 21061001]

約数ペア:

[(1, 21061001), (13, 1620077), (83, 253747), (131, 160771), (149, 141349), (1079, 19519), (1703, 12367), (1937, 10873)]