21976592

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:192

約数の個数: 80

約数和(自身を含む): 49818240

約数和(自身を除く): 27841648

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 61, 88, 89, 92, 122, 176, 178, 184, 244, 253, 356, 368, 488, 506, 671, 712, 976, 979, 1012, 1342, 1403, 1424, 1958, 2024, 2047, 2684, 2806, 3916, 4048, 4094, 5368, 5429, 5612, 7832, 8188, 10736, 10858, 11224, 15433, 15664, 16376, 21716, 22448, 22517, 30866, 32752, 43432, 45034, 59719, 61732, 86864, 90068, 119438, 123464, 124867, 180136, 238876, 246928, 249734, 360272, 477752, 499468, 955504, 998936, 1373537, 1997872, 2747074, 5494148, 10988296, 21976592]

約数ペア:

[(1, 21976592), (2, 10988296), (4, 5494148), (8, 2747074), (11, 1997872), (16, 1373537), (22, 998936), (23, 955504), (44, 499468), (46, 477752), (61, 360272), (88, 249734), (89, 246928), (92, 238876), (122, 180136), (176, 124867), (178, 123464), (184, 119438), (244, 90068), (253, 86864), (356, 61732), (368, 59719), (488, 45034), (506, 43432), (671, 32752), (712, 30866), (976, 22517), (979, 22448), (1012, 21716), (1342, 16376), (1403, 15664), (1424, 15433), (1958, 11224), (2024, 10858), (2047, 10736), (2684, 8188), (2806, 7832), (3916, 5612), (4048, 5429), (4094, 5368)]