21810813035

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1321}}^1\times {\mathrm{3373}}^1$

素因数の和:4799

約数の個数: 32

約数和(自身を含む): 28903573440

約数和(自身を除く): 7092760405

約数列:

[1, 5, 11, 55, 89, 445, 979, 1321, 3373, 4895, 6605, 14531, 16865, 37103, 72655, 117569, 185515, 300197, 587845, 1293259, 1500985, 3302167, 4455733, 6466295, 16510835, 22278665, 49013063, 245065315, 396560237, 1982801185, 4362162607, 21810813035]

約数ペア:

[(1, 21810813035), (5, 4362162607), (11, 1982801185), (55, 396560237), (89, 245065315), (445, 49013063), (979, 22278665), (1321, 16510835), (3373, 6466295), (4895, 4455733), (6605, 3302167), (14531, 1500985), (16865, 1293259), (37103, 587845), (72655, 300197), (117569, 185515)]