21434068

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{4957}}^1$

素因数の和:5031

約数の個数: 24

約数和(自身を含む): 39981312

約数和(自身を除く): 18547244

約数列:

[1, 2, 4, 23, 46, 47, 92, 94, 188, 1081, 2162, 4324, 4957, 9914, 19828, 114011, 228022, 232979, 456044, 465958, 931916, 5358517, 10717034, 21434068]

約数ペア:

[(1, 21434068), (2, 10717034), (4, 5358517), (23, 931916), (46, 465958), (47, 456044), (92, 232979), (94, 228022), (188, 114011), (1081, 19828), (2162, 9914), (4324, 4957)]