21250658

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1109}}^1$

素因数の和:1202

約数の個数: 32

約数和(自身を含む): 38041920

約数和(自身を除く): 16791262

約数列:

[1, 2, 11, 13, 22, 26, 67, 134, 143, 286, 737, 871, 1109, 1474, 1742, 2218, 9581, 12199, 14417, 19162, 24398, 28834, 74303, 148606, 158587, 317174, 817333, 965939, 1634666, 1931878, 10625329, 21250658]

約数ペア:

[(1, 21250658), (2, 10625329), (11, 1931878), (13, 1634666), (22, 965939), (26, 817333), (67, 317174), (134, 158587), (143, 148606), (286, 74303), (737, 28834), (871, 24398), (1109, 19162), (1474, 14417), (1742, 12199), (2218, 9581)]