21494236

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{1399}}^1$

素因数の和:1593

約数の個数: 24

約数和(自身を含む): 39513600

約数和(自身を除く): 18019364

約数列:

[1, 2, 4, 23, 46, 92, 167, 334, 668, 1399, 2798, 3841, 5596, 7682, 15364, 32177, 64354, 128708, 233633, 467266, 934532, 5373559, 10747118, 21494236]

約数ペア:

[(1, 21494236), (2, 10747118), (4, 5373559), (23, 934532), (46, 467266), (92, 233633), (167, 128708), (334, 64354), (668, 32177), (1399, 15364), (2798, 7682), (3841, 5596)]