21974706

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1361}}^1$

素因数の和:1408

約数の個数: 64

約数和(自身を含む): 54915840

約数和(自身を除く): 32941134

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 27, 39, 46, 54, 69, 78, 117, 138, 207, 234, 299, 351, 414, 598, 621, 702, 897, 1242, 1361, 1794, 2691, 2722, 4083, 5382, 8073, 8166, 12249, 16146, 17693, 24498, 31303, 35386, 36747, 53079, 62606, 73494, 93909, 106158, 159237, 187818, 281727, 318474, 406939, 477711, 563454, 813878, 845181, 955422, 1220817, 1690362, 2441634, 3662451, 7324902, 10987353, 21974706]

約数ペア:

[(1, 21974706), (2, 10987353), (3, 7324902), (6, 3662451), (9, 2441634), (13, 1690362), (18, 1220817), (23, 955422), (26, 845181), (27, 813878), (39, 563454), (46, 477711), (54, 406939), (69, 318474), (78, 281727), (117, 187818), (138, 159237), (207, 106158), (234, 93909), (299, 73494), (351, 62606), (414, 53079), (598, 36747), (621, 35386), (702, 31303), (897, 24498), (1242, 17693), (1361, 16146), (1794, 12249), (2691, 8166), (2722, 8073), (4083, 5382)]