21793880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{23689}}^1$

素因数の和:23723

約数の個数: 32

約数和(自身を含む): 51170400

約数和(自身を除く): 29376520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 23689, 47378, 94756, 118445, 189512, 236890, 473780, 544847, 947560, 1089694, 2179388, 2724235, 4358776, 5448470, 10896940, 21793880]

約数ペア:

[(1, 21793880), (2, 10896940), (4, 5448470), (5, 4358776), (8, 2724235), (10, 2179388), (20, 1089694), (23, 947560), (40, 544847), (46, 473780), (92, 236890), (115, 189512), (184, 118445), (230, 94756), (460, 47378), (920, 23689)]