21639816

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:419

約数の個数: 96

約数和(自身を含む): 64864800

約数和(自身を除く): 43224984

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 89, 99, 132, 178, 198, 264, 267, 307, 356, 396, 534, 614, 712, 792, 801, 921, 979, 1068, 1228, 1602, 1842, 1958, 2136, 2456, 2763, 2937, 3204, 3377, 3684, 3916, 5526, 5874, 6408, 6754, 7368, 7832, 8811, 10131, 11052, 11748, 13508, 17622, 20262, 22104, 23496, 27016, 27323, 30393, 35244, 40524, 54646, 60786, 70488, 81048, 81969, 109292, 121572, 163938, 218584, 243144, 245907, 300553, 327876, 491814, 601106, 655752, 901659, 983628, 1202212, 1803318, 1967256, 2404424, 2704977, 3606636, 5409954, 7213272, 10819908, 21639816]

約数ペア:

[(1, 21639816), (2, 10819908), (3, 7213272), (4, 5409954), (6, 3606636), (8, 2704977), (9, 2404424), (11, 1967256), (12, 1803318), (18, 1202212), (22, 983628), (24, 901659), (33, 655752), (36, 601106), (44, 491814), (66, 327876), (72, 300553), (88, 245907), (89, 243144), (99, 218584), (132, 163938), (178, 121572), (198, 109292), (264, 81969), (267, 81048), (307, 70488), (356, 60786), (396, 54646), (534, 40524), (614, 35244), (712, 30393), (792, 27323), (801, 27016), (921, 23496), (979, 22104), (1068, 20262), (1228, 17622), (1602, 13508), (1842, 11748), (1958, 11052), (2136, 10131), (2456, 8811), (2763, 7832), (2937, 7368), (3204, 6754), (3377, 6408), (3684, 5874), (3916, 5526)]