21125270

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1733}}^1$

素因数の和:1816

約数の個数: 32

約数和(自身を含む): 40450752

約数和(自身を除く): 19325482

約数列:

[1, 2, 5, 10, 23, 46, 53, 106, 115, 230, 265, 530, 1219, 1733, 2438, 3466, 6095, 8665, 12190, 17330, 39859, 79718, 91849, 183698, 199295, 398590, 459245, 918490, 2112527, 4225054, 10562635, 21125270]

約数ペア:

[(1, 21125270), (2, 10562635), (5, 4225054), (10, 2112527), (23, 918490), (46, 459245), (53, 398590), (106, 199295), (115, 183698), (230, 91849), (265, 79718), (530, 39859), (1219, 17330), (1733, 12190), (2438, 8665), (3466, 6095)]