21000529228

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{39474679}}^1$

素因数の和:39474709

約数の個数: 24

約数和(自身を含む): 44211641600

約数和(自身を除く): 23211112372

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 39474679, 78949358, 157898716, 276322753, 552645506, 750018901, 1105291012, 1500037802, 3000075604, 5250132307, 10500264614, 21000529228]

約数ペア:

[(1, 21000529228), (2, 10500264614), (4, 5250132307), (7, 3000075604), (14, 1500037802), (19, 1105291012), (28, 750018901), (38, 552645506), (76, 276322753), (133, 157898716), (266, 78949358), (532, 39474679)]