21060570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{823}}^1\times {\mathrm{853}}^1$

素因数の和:1686

約数の個数: 32

約数和(自身を含む): 50666112

約数和(自身を除く): 29605542

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 823, 853, 1646, 1706, 2469, 2559, 4115, 4265, 4938, 5118, 8230, 8530, 12345, 12795, 24690, 25590, 702019, 1404038, 2106057, 3510095, 4212114, 7020190, 10530285, 21060570]

約数ペア:

[(1, 21060570), (2, 10530285), (3, 7020190), (5, 4212114), (6, 3510095), (10, 2106057), (15, 1404038), (30, 702019), (823, 25590), (853, 24690), (1646, 12795), (1706, 12345), (2469, 8530), (2559, 8230), (4115, 5118), (4265, 4938)]