21403056

素因数分解:

$2^4\times 3^1\times {\mathrm{127}}^1\times {\mathrm{3511}}^1$

素因数の和:3649

約数の個数: 40

約数和(自身を含む): 55742464

約数和(自身を除く): 34339408

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 127, 254, 381, 508, 762, 1016, 1524, 2032, 3048, 3511, 6096, 7022, 10533, 14044, 21066, 28088, 42132, 56176, 84264, 168528, 445897, 891794, 1337691, 1783588, 2675382, 3567176, 5350764, 7134352, 10701528, 21403056]

約数ペア:

[(1, 21403056), (2, 10701528), (3, 7134352), (4, 5350764), (6, 3567176), (8, 2675382), (12, 1783588), (16, 1337691), (24, 891794), (48, 445897), (127, 168528), (254, 84264), (381, 56176), (508, 42132), (762, 28088), (1016, 21066), (1524, 14044), (2032, 10533), (3048, 7022), (3511, 6096)]