21107560

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{22943}}^1$

素因数の和:22977

約数の個数: 32

約数和(自身を含む): 49559040

約数和(自身を除く): 28451480

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 22943, 45886, 91772, 114715, 183544, 229430, 458860, 527689, 917720, 1055378, 2110756, 2638445, 4221512, 5276890, 10553780, 21107560]

約数ペア:

[(1, 21107560), (2, 10553780), (4, 5276890), (5, 4221512), (8, 2638445), (10, 2110756), (20, 1055378), (23, 917720), (40, 527689), (46, 458860), (92, 229430), (115, 183544), (184, 114715), (230, 91772), (460, 45886), (920, 22943)]