21209156630

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1373}}^1\times {\mathrm{7321}}^1$

素因数の和:8912

約数の個数: 32

約数和(自身を含む): 38390593248

約数和(自身を除く): 17181436618

約数列:

[1, 2, 5, 10, 211, 422, 1055, 1373, 2110, 2746, 6865, 7321, 13730, 14642, 36605, 73210, 289703, 579406, 1448515, 1544731, 2897030, 3089462, 7723655, 10051733, 15447310, 20103466, 50258665, 100517330, 2120915663, 4241831326, 10604578315, 21209156630]

約数ペア:

[(1, 21209156630), (2, 10604578315), (5, 4241831326), (10, 2120915663), (211, 100517330), (422, 50258665), (1055, 20103466), (1373, 15447310), (2110, 10051733), (2746, 7723655), (6865, 3089462), (7321, 2897030), (13730, 1544731), (14642, 1448515), (36605, 579406), (73210, 289703)]