21167299036

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1\times {\mathrm{13883}}^1$

素因数の和:14278

約数の個数: 48

約数和(自身を含む): 40410770400

約数和(自身を除く): 19243471364

約数列:

[1, 2, 4, 13, 26, 52, 109, 218, 269, 436, 538, 1076, 1417, 2834, 3497, 5668, 6994, 13883, 13988, 27766, 29321, 55532, 58642, 117284, 180479, 360958, 381173, 721916, 762346, 1513247, 1524692, 3026494, 3734527, 6052988, 7469054, 14938108, 19672211, 39344422, 48548851, 78688844, 97097702, 194195404, 407063443, 814126886, 1628253772, 5291824759, 10583649518, 21167299036]

約数ペア:

[(1, 21167299036), (2, 10583649518), (4, 5291824759), (13, 1628253772), (26, 814126886), (52, 407063443), (109, 194195404), (218, 97097702), (269, 78688844), (436, 48548851), (538, 39344422), (1076, 19672211), (1417, 14938108), (2834, 7469054), (3497, 6052988), (5668, 3734527), (6994, 3026494), (13883, 1524692), (13988, 1513247), (27766, 762346), (29321, 721916), (55532, 381173), (58642, 360958), (117284, 180479)]