21313709

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{179}}^1$

素因数の和:400

約数の個数: 16

約数和(自身を含む): 23224320

約数和(自身を除く): 1910611

約数列:

[1, 23, 31, 167, 179, 713, 3841, 4117, 5177, 5549, 29893, 119071, 127627, 687539, 926683, 21313709]

約数ペア:

[(1, 21313709), (23, 926683), (31, 687539), (167, 127627), (179, 119071), (713, 29893), (3841, 5549), (4117, 5177)]