21910272

素因数分解:

$2^8\times 3^1\times {\mathrm{47}}^1\times {\mathrm{607}}^1$

素因数の和:673

約数の個数: 72

約数和(自身を含む): 59652096

約数和(自身を除く): 37741824

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 47, 48, 64, 94, 96, 128, 141, 188, 192, 256, 282, 376, 384, 564, 607, 752, 768, 1128, 1214, 1504, 1821, 2256, 2428, 3008, 3642, 4512, 4856, 6016, 7284, 9024, 9712, 12032, 14568, 18048, 19424, 28529, 29136, 36096, 38848, 57058, 58272, 77696, 85587, 114116, 116544, 155392, 171174, 228232, 233088, 342348, 456464, 466176, 684696, 912928, 1369392, 1825856, 2738784, 3651712, 5477568, 7303424, 10955136, 21910272]

約数ペア:

[(1, 21910272), (2, 10955136), (3, 7303424), (4, 5477568), (6, 3651712), (8, 2738784), (12, 1825856), (16, 1369392), (24, 912928), (32, 684696), (47, 466176), (48, 456464), (64, 342348), (94, 233088), (96, 228232), (128, 171174), (141, 155392), (188, 116544), (192, 114116), (256, 85587), (282, 77696), (376, 58272), (384, 57058), (564, 38848), (607, 36096), (752, 29136), (768, 28529), (1128, 19424), (1214, 18048), (1504, 14568), (1821, 12032), (2256, 9712), (2428, 9024), (3008, 7284), (3642, 6016), (4512, 4856)]