21001712

素因数分解:

$2^4\times {\mathrm{179}}^1\times {\mathrm{7333}}^1$

素因数の和:7520

約数の個数: 20

約数和(自身を含む): 40923720

約数和(自身を除く): 19922008

約数列:

[1, 2, 4, 8, 16, 179, 358, 716, 1432, 2864, 7333, 14666, 29332, 58664, 117328, 1312607, 2625214, 5250428, 10500856, 21001712]

約数ペア:

[(1, 21001712), (2, 10500856), (4, 5250428), (8, 2625214), (16, 1312607), (179, 117328), (358, 58664), (716, 29332), (1432, 14666), (2864, 7333)]