21334898

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 37946880

約数和(自身を除く): 16611982

約数列:

[1, 2, 13, 17, 26, 34, 47, 79, 94, 158, 169, 221, 338, 442, 611, 799, 1027, 1222, 1343, 1598, 2054, 2686, 2873, 3713, 5746, 7426, 7943, 10387, 13351, 15886, 17459, 20774, 26702, 34918, 48269, 63121, 96538, 126242, 135031, 226967, 270062, 453934, 627497, 820573, 1254994, 1641146, 10667449, 21334898]

約数ペア:

[(1, 21334898), (2, 10667449), (13, 1641146), (17, 1254994), (26, 820573), (34, 627497), (47, 453934), (79, 270062), (94, 226967), (158, 135031), (169, 126242), (221, 96538), (338, 63121), (442, 48269), (611, 34918), (799, 26702), (1027, 20774), (1222, 17459), (1343, 15886), (1598, 13351), (2054, 10387), (2686, 7943), (2873, 7426), (3713, 5746)]