21148325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1451}}^1$

素因数の和:1525

約数の個数: 24

約数和(自身を含む): 29167776

約数和(自身を除く): 8019451

約数列:

[1, 5, 11, 25, 53, 55, 265, 275, 583, 1325, 1451, 2915, 7255, 14575, 15961, 36275, 76903, 79805, 384515, 399025, 845933, 1922575, 4229665, 21148325]

約数ペア:

[(1, 21148325), (5, 4229665), (11, 1922575), (25, 845933), (53, 399025), (55, 384515), (265, 79805), (275, 76903), (583, 36275), (1325, 15961), (1451, 14575), (2915, 7255)]